— clamata, x, 63.
— cornuta, xi, 271.
— flaviviridis, x, 58.
— halecina, x, 61.
— marina, xi, 271.
— margaritifera, xi, 271.
— melanota, x, 64.
— ocellata, x, 63.
— palustris, x, 59.
— pipiens, x, 62.
— scapularis, x, 59.
— sylvatica, x, 58.
— temporaria, xxxix, 188.
— utricularis, x, 60.
Salamandra,description of genus, xi, 276.
— agilis, xxxvi, 322.
— alleganiensis, i, 263.
— lurida, xxxvi, 323.
— flavissima, new species, x, 286.
— punctata, i, 264.
— subviolacea, i, 264.
Saurocephalus, see beyond, underIchthyology.
*Saurodon leanus, xviii, 246.
Scincus lateralis, xxxvi, 323.f
Scytalus cupreus, orcopper-headsnake,C. S. Rafinesque, i, 84.
— cupreus, i, 256.
Siren, characters of the genus, xi, 281.
— lacertina, xi, 281; xiii, 69.
— striata, xi, 281.
Snakes, remarks on,S. Woodruff, xxix, 304.
—, two headed, always monsters, facts concerning,S. L. Mitchill, x, 48.f
*Tortoise, xvii, 290.
—, a new freshwater,R. Harlan, xxxi, 382.f
Triton cristatus, notice of, xxxix, 189.
*Turtle, fossil, in the chalk of Kent, xli, 205.
Ichthyology–Fishes.
Fishes,L. Agassiz'ssubdivisions, xxx, 33.
—, notice ofYarrell'sBritish, xxxvii, 167.
—, transferring of salt water species to fresh waters, remarks on, xxxix, 378.
—, — from one pond to another, xxxvi, 342; xl, 405.
—, limits of occurrence in high latitudes, vi, 383.
— of Massachusetts, critical review of, J. V. C. Smith on,D. H. Storer, xxxvi, 337.
— of Connecticut, catalogue of,J. H. Linsley, xlvii, 55.
— of New York,DeKay'sReport on, xlv, 275.
Fish, double,S. Churchill, xxvi, 116.f
—, fossil, of the United States, identified by L. Agassiz, from fossil teeth, xxviii, 277.
Zoology–Fishes.
Fishes, fossil, notices of several American species,W. C. RedfieldandJ. H. Redfield, xli, 24.
—, —, in the Connecticut valley,E. Hitchcock, vi, 76.f
—, —, in Connecticut, xxvii, 354; xxxiv, 198; xxxvi, 187; xli, 24, 164.
—, —, in Massachusetts, iii, 222, 365; xli, 24; xliii, 172.
—, —, in New Jersey,L. D. Gale, xxxv, 192.
—, —, —,W. C. Redfield, xxxvi, 186; xli, 24, 164; xliv, 134; xlv, 314.
—, —, in Pennsylvania, xlii, 233.
—, —, in Virginia,W. C. Redfield, xxxiv, 201; xli, 165.
Alosa tyrannus, xlv, 281.
Amblyopsis, blind fish from a cave in Kentucky,J. Wyman, xlv, 94.
*Ameibodon, xxxvii, 233.
Amia occidentals, xlv, 281.
Anguilla tenuirostris, of DeKay, the Muræna bostoniensis of Lesueur, xlv, 282.
Baione fontinalis of DeKay, a species of Salmo, xlv, 280.
Boleosoma tesselatum of DeKay the Etheostoma Olmstedi of Storer, xlv, 276.
Brosmius vulgaris, xlv, 281.
*Catopterus, on the genus,J. H. Redfield, xli, 26.
*— anguilliformis, xli, 27.
*— gracilis, xli, 27.
*— macrurus, xli, 27.
*— parvulus, xli, 28.
Clupea elongata, xlv, 281.
Ctenolabrus uninotatus, xlv, 279.
Cyprinidæ of India, notice of,D. H. Storer, xli, 92.
Dory, new species of,S. L. Mitchill, xi, 144.f
*Edaphodon, xxxvii, 233.
Exoglossum, a new genus of fish,C. S. Rafinesque, i, 155.
— annulatum, i, 156.
— vittatum, i, 156.
Fistularia tabacaria, xlv, 280.
Gasterosteus quadracus, xlv, 277.
Gunnellus mucronatus, xlv, 278.
Gymnotus, remarks on, xl, 386.
Halibut and streaked bass, dissection of the eye of,W. C. Wallace, xxvi, 393f, 394.
*Holoptychus nobilissimus, Blossburg, Pa., xlii, 233.
Labeo gibbosus identical with Catostomus tuberculatus, xlv, 279.
Lactophrys camelinus, xlv, 283.
*Lamna, in a crag pit in Suffolk, England, xxxviii, 124.
Lepidostei, microscopic structure of the teeth of,J. Wyman, xlv, 359.f
Lophius americanus, xlv, 278.
Lota inornata of DeKay, the L. brosmiana of Storer, xlv, 281.
Lumpus anglorum, xlv, 282.
*Megalichthys, &c., Manchester, England, xxxviii, 125.
Ophiognathus, a genus of fishes, identical with the Saccopharynx of Mitchill, xv, 358.
Osmerus viridescens, xlv, 280.
Paddle fish of the Ohio, notice of, xii, 201.f
*Palæoniscus Agassizii, xli, 26.
*— fultus, xli, 25.
*— latus, xli, 25.
*— macropterus, xli, 25.
*— ovatus, xli, 26.
*Passalodon, xxxvii, 233.
Perca nobilis, dissection of the eye of,W. C. Wallace, xxvi, 394; xxvii, 216.f
Percinæ, analogies of, with the Serraninæ, xxxix, 389.
Pileoma, genus of fish, by DeKay, identity of, with the Etheostoma of Rafinesque, xlv, 276.
Polyodon, of the Ohio, xii, 201.f
Raja erinaceus,S. L. Mitchill, ix, 290.f
Rhombus triacanthus, xlv, 278.
Salmo, remarks on the genus,L. Agassiz, xxviii, 76.
*Saurocephalus, of R. Harlan, xxvii, 353.
*—, a fish,R. Owen, xxxix, 203.
*Shark, xvii, 289.
*Fossil shark's teeth of New Jersey, xxviii, 378.
Spinax acanthias, xlv, 283.
Squalus, remarks on some species of,J. E. DeKay, xv, 359.
Stilbe chrysoleucus of DeKay, the Leuciscus chrysoleucus of Storer, xlv, 279.
Sturgeon, spoonbill, of the Ohio, notice of, xii, 201.f
Syngnathus fasciatus of DeKay, the S. Peckianus of Storer, xlv, 283.
— viridescens of DeKay, the S. fuscus of Storer, xlv, 283.
Torpedo, new species,D. H. Storer, xlv, 165.f
Uranidea quiescens of DeKay, the Cottus viscosus of Haldeman, xlv, 277.
Zeus crinitus, description of,S. L. Mitchill, xi, 144.f
InsectsandAnnelids.
Ægeria tricincta, xxxvi, 310.
— caudata, xxxvi, 311.
— cucurbitæ, xxxvi, 310.
— exitiosa, xxxvi, 312.
— fulvipes, xxxvi, 312.
— pyri, xxxvi, 313.
— scitula, xxxvi, 313.
— syringæ, xxxvi, 311.
— tipuliformis, xxxvi, 312.
Alypia octomaculata, xxxvi, 314.
Annelides, slates of Waterville, Maine, xli, 163.
Butterflies, emigration of, xiv, 387.
Calandra palmarum, or palm weavil, notice of, xl, 387.
Caterpillars, emigration of a colony of,J. Skene, ix, 284.f
Cecidomyia destructor, notice of,Miss M. H. Morris, xl, 381.
—, notice of, with its parasites,E. C. Herrick, xli, 153.
Zoology–Insects and Annelids.
Ceratomia quadricornis, xxxvi, 293.
Chœrocampa chœrilus, xxxvi, 302.
— pampinatrix, xxxvi, 301.
— tersa, xxxvi, 303.
— versicolor, xxxvi, 303.
Chrysomela vitivora, [Haltica chalybea] some account of,D. Thomas, xxvi, 113.f
—, remarks on,E. C. Herrick, xxvii, 420.
Cicada septendecim, on the habits of, xiii, 224.
— —, notices and observations on,S. P. Hildreth, xviii, 47.f
— —, remarks on,D. Thomas, xxi, 188.
Cychrus Andrewsii, xxxvi, 391.
— angulatus, xxxvi, 392.
— cristatus, xxxvi, 392.
— Leonardii, xxxvi, 392.
— tuberculatus, xxxvi, 392.
Deilephela lineata, xxxvi, 304.
— Chamænerii, xxxvi, 305.
Furia infernalis, notice of, xiii, 396.
Geometra vernata, or elm tree moth, parasite of the eggs of,E. C. Herrick, xxxviii, 385; xl, 211.
Glaucopis epimenis, xxxvi, 319.
— ipomææ, xxxvi, 316.
— Latreillana, xxxvi, 319.
— omphale, xxxvi, 317.
— pholus, xxxvi, 318.
— semidiaphana, xxxvi, 318.
Goliathus magnus, remarks on, xxxiv, 27.
Melolontha or May bug, notice of,J. Cist, viii, 269.f
Phalæna antiqua, and some species of Papilio,Miss D. L. Dix, xix, 62, 63.
— devastator, orcut-worm,J. P. Brace, i, 154.
Philampelus achemon, xxxvi, 300.
— satellitia, xxxvi, 299.
— vitis, xxxvi, 299.
Platygaster, a species of, parasitic on the eggs of the elm tree moth, xxxviii, 385; xl, 211.
Procris Americana, xxxvi, 315.
Pterogon inscriptum, xxxvi, 306.
Sesia diffinis, xxxvi, 308.
— pelasgus, xxxvi, 308.
Smerinthus astylus, xxxvi, 290.
— excæcata, xxxvi, 290.
— geminata, xxxvi, 291.
— Juglandis, xxxvi, 292.
— modesta, xxxvi, 292.
— myops, xxxvi, 291.
Sphinx, American species of,T. W. Harris, xxxvi, 282.
— carolina, xxxvi, 294.
— cinerea, xxxvi, 295.
— cingulata, xxxvi, 293.
— coniferarum, xxxvi, 297.
— drupiferarum, xxxvi, 294.
— ello, xxxvi, 297.
— gordius, xxxvi, 295.
— hylæus, xxxvi, 296.
— kalmiæ, xxxvi, 295.
— plebeia, xxxvi, 296.
— sordida, xxxvi, 296.
Thyreus Abbottii, xxxvi, 307.
— lugubris, xxxvi, 306.
— nessus, xxxvi, 308.
Thyris maculata, xxxvi, 313.
Trochilium denudatum, xxxvi, 310.
— marginatum, xxxvi, 309.
— tibiale, xxxvi, 309.
Urocerus, insect, found in the wood of a table,J. Foggo, ix, 288.f
—, remarks in reply, x, 65.
Arachnida–Spiders.
Spiders and spider-webs, observations of J. Edwards on, xxi, 109.f
—, miscellaneous notices concerning, xxi, 116.
—, North American,N. M. Hentz, xxi, 99.f
— of the United States, list of species described by N. M. Hentz, xlvii, 411.
Zoology–Spiders.
Acarus Crossii, xxxii, 374f; xxxv, 125f; xliii, 395; xlix, 227.
Aranea aculeata, notice of,Miss D. L. Dix, xix, 61.f
Agelena, characters of genus, xxi, 103.f
Attus, characters of genus, xxi, 107.f
Clubiona, characters of genus, xxi, 102.
Dolomedes, characters of genus, xxi, 106.f
Dysdera, characters of genus, xxi, 101.f
Epeira, characters of genus, xxi, 104.f
Epiblemum, characters of genus, xxi, 108.f
Filistata, characters of genus, xxi, 101.f
Gossamer spider, genus, xvi, 399.
Herpyllus, characters of genus, xxi, 102.f
Hydrachna formosa, xxx, 354.f
— pyriformis, xxx, 358.f
Linyphia, characters of genus, xxi, 104.f
Lycosa, characters of genus, xxi, 106.
Mimetus, characters of genus, xxi, 104.f
Oletera, genus, characters of, xxi, 100.f
Pholcus, characters of genus, xxi, 103.f
Segestria, characters of genus, xxi, 101.f
Spermophora, a newsub-genusof spiders,N. M. Hentz, xli, 116.f
Sphasus, characters of genus, xxi, 105.f
Tegenaria, characters of genus, xxi, 102.f
Tetragnatha, characters of genus, xxi, 104.
Theridium, characters of genus, xxi, 103.f
Thomisus, characters of genus, xxi, 105.f
Zoology–Crustacea.
Crustacea.
Anatifa, metamorphosis of, and relation to Crustacea,J. D. Dana, xlv, 335.
Argulus catostomi,J. D. DanaandE. C. Herrick, xxx, 388; xxxi, 297.f
—, new species,T. W. Harris, xxxvi, 393.
Artemia salina, xli, 193.
*Astacus, fossil, xvii, 287.
Balanus peregrinus, xxiv, 131.f
Caligus americanus, description of,J. D. DanaandC. Pickering, xxxiv, 225.f
*Cancer, fossil, xvii, 287.
Entomostraca in chalk, xxx, 382.
Limnadia, a new genus of Crustacea, iv, 372.
Trilobite, a supposed recent, from N. S. Shetland, xxvii, 395.
—, nature of,J. Green, xxiii, 396; xxxvii, 25.
Trilobites.
*Asaphus astragalotes, xxv, 335.
*— diurus, xxxvii, 40.
*— limulurus, xlviii, 309.f
*— myrmecoides, xxiii, 397.
*— platypleurus, xxxii, 169.
*— polypleurus, xxxiv, 380.
*— tetragonocephalus, xxv, 335.
*— Trimblii, xxxii, 347.
*Bumastis Barriensis, xlviii, 309.f
*— Trentonensis, xlvii, 368.f
*Calymene Bucklandii, xxxvi, 106.f
— bufo, xxxvii, 32; xxxviii, 410.
*— niagarensis, xlviii, 309.f
*— odontocephala, xxv, 334.
*— phlyctainodes, xxxii, 167.
*— Rowii, n. sp., xxxiii, 406.
*— senaria, xlii, 230; xlvii, 363.f
*Ceratocephala goniata, xxxiv, 377.f
Ceratocephala ceralepta, xxxiv, 379.f
*Ceraurus crosotus,J. Locke, xliv, 346f; xlv, 222.f
*— pleurexanthemus, xlvii, 363.f
*Cryphæus, new genus,J. Green, xxxii, 343.
*— Boothii, xxxii, 344.f
*— collitelus, xxxii, 346.
*Hemicrypturus, tail of, xlviii, 307.f
*Homalonotus delphinocephalus, xlviii, 311.f
*Illænus Trentonensis, xlvii, 368.f
*Isotelus gigas, xlvii, 363.f
*— megistos, xlii, 366.f
*Paridoxides, species of,J. Hall, xxxiii, 139.f
*—, remarks on the genus,J. Green, xxxiii, 341.
*— Harlani, xxv, 336.
*Triarthrus Beckii, xlvii, 370.f
*Trimerus Jacksonii, xxxii, 347.
*Trinucleus caractaci, xlvii, 378.f
*— tesselatus, xlvii, 363.f
Mollusca–Shells.
Shells, new, of the coast of New England,J. G. Totten, xxvi, 366f; xxviii, 347.f
— of Middlebury, Vt.,C. B. Adams, xl, 266, 408.
— of Massachusetts, southeastern shores,C. B. Adams, xxxvi, 387.
—, new,A. A. Gould, xxxviii, 196.
—, —,J. P. Couthouy, xxxiv, 216; xxxvi, 389.
— of Connecticut, catalogue of,J. H. Linsley, xlviii, 271.f
— on the Connecticut Reserve, Ohio, catalogue of, including many Helices, &c., xxxi, 36, 200.
—, new species,H. C. Lea, xlii, 106.f
—, new freshwater, from Alabama, Tennessee, &c.,T. A. Conrad, xxv, 338.f
— about Richmond, Indiana, list of,J. T. Plummer, xlviii, 94.
—, new,B. Tappan, xxxv, 268.f
— of some Ohio rivers,S. P. Hildreth, xiv, 276.
—, economical uses of some species of, xxxii, 53, 235.
—, fossil, tertiary of the United States,T. A. Conrad, xxiii, 204, 339; xxviii, 104, 280; xli, 344.f
—, —, —, remarks on, and list of,J. T. Hodge, xli, 332, 343.
—, —, —, of the United States, mostly from Claiborne, Alabama,H. C. Lea, xl, 92.f
—, —, —, from North Carolina, xxxix, 387.
—, —, chambered univalve, Virginia,M. Tuomey, xliii, 187.
—, —, transition, condition and character of,T. A. Conrad, xxxvi, 12; xxxviii, 86.
—, —, freshwater shells with coal, Lancashire, England, xxxiv, 26.
—, —, Cornwall, England,C. W. Peach, xlii, 327.
—, —, of the Ludlow rocks, xxx, 48; xxxviii, 90.
—, —, microscopic corallines and minute shells in white chalk,Lonsdale, xxxiii, 111.
*Actæon levis, xl, 94.f
*— magnoplicatus, xl, 94.f
— parvus, xlii, 111.f
— trifidus, xxvi, 368.f
Alasmodonta and Unio, on the genera, with descriptions of species,D. H. Barnes, vi, 107f, 258.f
—, vi, 275.
— arcuata, vi, 277.f
Alasmodonta complanata, vi, 278f; xiv, 289.
— marginata, vi, 279.
— radiata, xxv, 341.f
— rugosa, vi, 278f; xiv, 289.
— undulata, vi, 279.
*Ammonites in Canada, viii, 84.
*— at Patterson, N. J., v, 241.
*— bellicosus, xxix, 150.f
*— colubrellus, xxix, 154.f
*— delawarensis, xviii, 244.f
*— Hildrethi, xxix, 149.f
*— hippocrepis, xvii, 280.
*— placenta, xvii, 279; xviii, 249.f
*— telifer, xxiii, 290.
*— Vanuxemi, xviii, 244.f
*Amphidesma constricta, xli, 347.f
*— nuculoides, xli, 347.
*— protexta, xli, 347.
Anatina papyratia in Rhode Island,J. G. Totten, xxviii, 347.f
Anculosa picta, xxv, 342.f
Anculotus dentatus, xxxvi, 390.
*Anodonta abyssina, xxix, 149.f
— declivis, xxv, 341.f
— subvexa, xxv, 341.f
— undulata, xiv, 290.
*Anomia argentaria, xxiii, 293.f
*— tellinoides, xxiii, 294.f
Astarte castanea, xxviii, 348.f
— Danmoniensis, xxviii, 349.f
*— tellinoides, xxiii, 342.
*— ungulina, xxiii, 342.
*Atrypa affinis, xlviii, 306.f
*— congesta, xlviii, 305.f
*— extans, xlvii, 369.f
*— naviformis, xlviii, 305.f
*— plicata, xlviii, 305.f
*Avicula demissa, xlvii, 376.f
*— leptonota, xlviii, 306.f
*Baculites compressa, ii, 41; xxiii, 291.
*— ovata, ii, 41; xvii, 280; xviii, 249.f
*Belemnites, age of, xxix, 351.
*—,Raspail'sopinion respecting, xvii, 184.
*—, animal of, xlv, 403.
Belemnites ambiguus, xxvii, 281; xviii, 249.f
*— americanus, xvii, 281; xviii, 249.f
*Bellerophon bilobatus, xlvii, 365f; xlviii, 300.f
*— punctifrons, xlvii, 369.f
*— sulcatinus, xlvii, 359.f
*Buccinum interruptum, xli, 345.
*— multirugatum, xli, 345.
— obsoletum, xxxvi, 387.
*— parvum, xl, 100.f
— rosaceum, xxxviii, 197.
— trivittatum, xxxvi, 387.
— vibex, xxxvi, 387.
Bulla debilis, xxxviii, 196.
— Gouldii, xxxvi, 390.
— hiemalis, xxxvi, 390.
— insculpta, Rhode Island, xxviii, 350.f
— lineolata, xxxvi, 389.
— obstricta, xxxviii, 196.
— oryza, Rhode Island,J. G. Totten, xxviii, 350.f
— triticea, xxxiv, 217.
*Calyptræa costata, ii, 40.
*Cameroceras trentonense, xlvii, 369.f
Cancellaria buccinoides, xxxiv, 218.
*— pulcherrima, xl, 99.f
*Cardita abbreviata, xli, 347.f
*— alticostata, xxiii, 342.
*— decisa, xxiii, 292.
*— perplana, xli, 347.f
Cardium pubescens, xxxiv, 216.
— edule, xxxii, 254.
— Mortoni, xxiii, 346.
*— sublineatum, xli, 347.f
Carychium exile, xlii, 109.f
*Cassis Hodgii, xli, 346.f
Cerithium cancellatum, xlii, 111.f
*— carolinense, xli, 345.
— Emersonii, xxxvi, 388.
— nigrocinctum, xxxvi, 388.
— reticulatum, of Rhode Island and Massachusetts,J. G. Totten, xxviii, 352.f
— terebrale, xxxix, 373.
*— unilineatum, xli, 345.f
*Chama congregata, xxiii, 341.
*— corticosa, xxiii, 341.
— gigas, xxxii, 256.
Chiton, new species of,D. H. Barnes, vii, 69.f
—, remarks on, xxxii, 251.
— echinatus, vii, 71.f
— Emersonii, xxxiv, 217.
— fulminatus, xxxiv, 217.
— magellanicus, vii, 70.
— niger, vii, 71.f
— peruvianus, vii, 70.f
— sagrinatus, xxxiv, 217.
— striatus, vii, 70.f
*Clavagella armata, xxiv, 129.f
Claviger, characters of genus,S. S. Haldeman, xlii, 216.
Cochlodesma, new genus,J. P. Couthouy, xxxvi, 389.
Columbella avara, xxxvi, 387.
*Conulariæ, in Canada, viii, 85.
*Conus adversarius, xxxix, 388; xli, 345.f
*— gyratus, xxiv, 131.f
*— parvus, xl, 103.f
*Corbula idonea, xxiii, 341.
*— oniscus, xxiii, 341.f
Crepidula acuta, xlii, 108.f
*— lirata, xxiii, 344.
*Cucullæa vulgaris, xvii, 285; xviii, 250.f
Cyclas elegans, xxxix, 375.
— staminea, xxv, 347.f
*Cyclora, new genus of fossil shells,J. Hall, xlviii, 294.
*— minuta, xlviii, 294.
Cypræa, genus, notice of a monograph of,Duclos, xx, 379.
*— carolinensis, xli, 346.f
— moneta, xxxii, 250.
*Cypricardia alata, xlviii, 300.f
*— angusta, xlviii, 306.f
*— angustifrons, xlvii, 378.f
*— modiolaris, xlvii, 379.f
*— obsoleta, xlviii, 306.f
*— orthonata, xlviii, 300.f
*— ovata, xlvii, 378.f
Cyrena purpurea, xlii, 106.f
*Cyrtoceras pilosum, xlvii, 369.f
*Cyrtolites ornatus, xlvii, 376.f
*Cytherea excavata, xxiii, 292.f
*— marylandica, xxiii, 343.
— Sayana,T. A. Conrad, xxiii, 345.
*Delthyris brachynota, xlviii, 303.f
*— decemplicata, xlviii, 313.f
*— expansus, xlvii, 368.f
*— niagarensis, xlviii, 313.f
*— radiata, xlviii, 313.f
*— sinuata, xlviii, 313.f
*— staminea, xlviii, 313.f
*Dispotœa dumosa, xli, 346.f
*— multilineata, xli, 346.f
*Donax rusticus, xxix, 151.f
Eolis bostoniensis, xxxiv, 216.
— diversa, new species,J. P. Couthouy, xxxvi, 385.
— gymnota, xxxiv, 217.
— salmonacea, xxxiv, 217.
*Exogyra costata, ii, 43; xvii, 284.
*Fasciolaria mutabilis, xli, 346.f
*Foraminifera in the green sand of New Jersey, xli, 213.
*Fulgur contrarius, xxxix, 387.
*— excavatus, xxxix, 387.
*— incilis, xxiii, 343.
Fusus cinereus, xxxvi, 388.
— harpularius, xxxiv, 218.
*— inhabilis, xxix, 150.f
— scalariformis, xxxviii, 197.
— pleurotomarius, xxxiv, 218.
— tornatus, xxxviii, 197.
Gnathodon, observations on the genus,T. A. Conrad, xxxviii, 92.
— cuneata, xxxviii, 92.
— flexuosa, xxxviii, 92, 93.f
*— Grayi, xxxviii, 92.
— minor, xli, 347.f
*Gryphæa convexa and mutabilis, xvii, 283.
*— vomer, xvii, 283; xviii, 250.f
*— plicatella, xxiii, 293.
Helix, species of, in Ohio, xxxi, 36.
—, observations on some, xl, 272.
— multidentata, remark on,C. B. Adams, xl, 274.
— pomatia, xxxii, 254.
*Infundibulum centralis, xli, 348.
Jaminia exigua, xxxiv, 217.
— seminuda, xxxvi, 388.
Lacuna neritoidea, xxxviii, 197.
Lima glacialis, xxiii, 345.
Limnea acuminata, xxxix, 374.
— chalybea, xxxviii, 196.
— pallida, xxxix, 374.
— stagnalis, xxxi, 35.f
— umbilicata, xxxix, 374.
*Lingula acutirostris, xlviii, 306.f
*— antiqua, xlvii, 356.f
*— cuneata, xlviii, 300.f
*— elliptica, xlviii, 306.f
*— oblata, xlviii, 306.f
*— oblonga, xlviii, 307.f
*Lucina dolabra, xxiii, 343.
— floridana,T. A. Conrad, xxiii, 344.
*— jamaicensis, xxxix, 388.
*— pandata, xxiii, 343.
*— radians, xli, 347.
*— trisulcata, xli, 346.
*Mactra clathrodonta, xxiii, 340.
*— confraga, xxiii, 340.
*— congesta, xxiii, 340.
*— crassidens, xli, 346.f
*— modicella, xxiii, 340.
— ovalis, xxxviii, 196.
*— subparilis, xli, 346.f
*Maclurea, xlvii, 360.f
*— labiatus, xlvii, 359.f
*— striatus, xlvii, 359.f
Melampus borealis, xxiii, 345.
Melaniæ, general remarks on,S. S. Haldeman, xli, 21; xlii, 216.
Melania cincinnatiensis,I. Lea, xxxviii, 175.
— congesta, xxv, 343.
— olivula, xxv, 342.f
— prasinata, xxv, 342.f
*Melongena alveata, xxiii, 344.
*Microceras, new genus of fossil shells,J. Hall, xlviii, 294.
*— inornatum, xlviii, 294.
*Mitra carolinensis, xxxix, 387, [called Voluta;] xli, 345.f
*— eburnea, xl, 102.f
*— elegans, xl, 102.f
*— gracilis, xl, 101.f
Modiola elliptica, xlii, 107.f
— glandula, xxvi, 367.f
— pulex, xlii, 107.f
Murex, xxxii, 235.
— despectus, xxxii, 251.
Mya margaritifera, xxxii, 68.
Mytilus edulis, xxxii, 252.
*— incrassatus, xli, 347.
— margaritiferus, xxxii, 56.
Naiades, some remarks on a memoir byI. Lea, xvi, 378.
—, sexual characters of,J. P. Kirtland, xxvi, 117.f
—, habits of,J. P. Kirtland, xxxix, 164.f
Natica canaliculata, xxxviii, 197.
*— canrena, xxxix, 387.
*— caroliniana, xli, 347.f
— consolidata, xxxiv, 217.
— flava, xxxviii, 196.
— immaculata, xxviii, 351.f
*— percallosa, xli, 348.
*Nautilus DeKayi, xxiii, 291.f
*Nucula bella, xxiii, 343.
*— cœlata, xxiii, 343.
*— faba, xlvii, 369.f
*— fabula, xlviii, 295.
*— inflata, xlvii, 369.f
*— machæriformis, xlviii, 306.f
— mactriformis, xlviii, 306.f
— myalis, xxxiv, 216.
— navicularis, xxxvi, 389.
*— obliqua, ii, 40; xlviii, 294.
— tenuiculata, xxxiv, 216.
*Oliva litterata, xli, 345.f
*Ophileta levata, xlvii, 357.f
*— complanata, xlvii, 357.f
*Orbicula, xlvii, 359.f
*— palmulata, xlviii, 300.f
*Orthis, xlvii, 359.f
*— canalis, xlviii, 313.f
*— circulus, xlviii, 305.f
*— costata, xlviii, 295.
*— crispata, xlvii, 379.f
*— flabellula, xlviii, 313.f
*— hybrida, xlviii, 313.f
*— pectinella, xlvii, 366.f
*— striatula, xlvii, 366.f
*— testudinaria, xlvii, 376.f
*Orthoceras multilineatum, xlvii, 369.f
*— primigenium, xlvii, 357.f
*— trentonense, xlvii, 369.
*Orthocerata, in Canada, v, 213f; viii, 84.f
*—, in Indiana,J. T. Plummer, xliv, 295.
*—, divided into three genera, Actinoceras, Ormoceras and Huronia, xxxvii, 233.
*—, structure of,J. Hall, xlvii, 109.
*Orthonota curta, xlviii, 306.f
*Ostrea convexa, new species, ii, 42.
*— cristagalli, xvii, 284; xviii, 250.f
— edulis, xxxii, 241.
*— falcata, xvii, 284; xviii, 250.f
*— panda, xxiii, 293.
*— plumosa, xxiii, 293.
*— radians, xxiv, 130.
— scabra, xxxii, 247.
*— selliformis, xxiv, 130.
*— torosa, xxiv, 130.f
*— urticosa, xxiii, 293.
Oxinoe ? glabra, xxxiv, 217.
Oyster shell deposits of the Atlantic coast, of Indian origin, xli, 168.
Paludina heterostropha, xxxv, 269.f
*Pasithea cancellata, xl, 93.f