Megalaspis attenuataWahlenb.Fig. 1. Horizontal section of cephalic eye near the inferior margin 60/1.asurface of the eye,bframe with irregular orreserve prisms,cpart of the cheek with normalstructure. Spec. DP.» 2. Hypostoma 2/1. Spec. BM.» 3. The right macula 12/1.» 4. Part of the same in transmitted light 60/1. Spec. DR.» 5. Vertical (sagittal) section of the inferior part of thehypostoma, crossing the maculaa12/1.» 6. Vertical section of the same macula 60/1. All spec. fromWestanå, Östergötland.Megalaspis limbataBoeckp. 61.Fig. 7. Hypostoma, mostly decorticated 2/1. Specimen from Fogelsång,Scania, the same asBrögger'soriginal to hisfig. 23.Megalaspis planilimbataAngel.p. 61.Fig. 8. Hypostoma, Öland, Äleklinta 2/1.Megalaspissp.Fig. 9. Vertical section of macula (a) 12/1. Öland, Lowergrey Orthoc. limestone.Nileus armadilloDalm.p. 62.Fig. 10. Horizontal section of cephalic eye 60/1.» 11. Vertical section of the same 60/1.» 12. A similar section 60/1.athe prisms of clearcalcareous spar,bthe surface of the eye andthe free cheek of yellow spar.» 13. The hypostoma 2/1.» 14. The right macula 12/1.» 15. Vertical section of macula (a) 12/1. All specimensfrom Persnäs, Öland, excepting fig. 13 from Westanå,Östergötland.Symphysurus palpebrosusDalmanp. 62.Fig. 16. Horizontal section of cephalic eye 60/1.» 17. Vertical section of the same 60/1.» 18. Hypostoma 2/1. From Westanå, Östergötland.Niobe frontalisAng.p. 63.Fig. 19. The hypostoma 2/1.» 20. The right macula 10/1.» 21. Part of the same in transmitted light 60/1.Specimen from Kungs Norrby, Östergötland.Niobe lævicepsAng.p. 63.Fig. 22. Horizontal section of cephalic eye near the inferior margin,acheek 60/1.» 23. Hypostoma 2/1.» 24. The right macula 10/1.» 23. Part of the same in transmitted light 60/1.» 26. Vertical section of maculaa12/1.Ogygia dilatatavar.SarsiAngel.p. 63.Fig. 27. Hypostoma 2/1.» 28. The right macula 10/1. From Christiania, Haakavik, Collectionof Dr.G. Holm.Olenussp. p. 33.Fig. 29. A part of the free cheek with the scallop 6/1.» 30. Profile of the scallop. Andrarum, Scania.Parabolina spinulosaWahlenb.p. 33.Fig. 31. The free cheek with the scallop 3/1.» 32. Profile of the scallop. From Jemtland.Paradoxides oelandicusAngel.p. 64.Fig. 33. Hypostoma 2/1.» 34. The left macula 12/1. Öland, Torp.Phacops cephalotesBarr.p. 65.Fig. 35. The hypostoma; the shell mostly decorticated and themaculæ visible as casts on the inside.» 36. Cast of the inside of the right macula 12/1. Spec. fromLochkow, Bohemia.Phacops quadrilineataAngel.p. 66.Fig. 37. Horizontal section of cephalic eye near the inferior margin30/1. The dark points lie in the outermost stratum of thecheek.» 38. Vertical section of cephalic eye 20/1. An irregularlyhexaedral crystal below each lens. Specimen from Wisbya.
Megalaspis attenuataWahlenb.
Fig. 1. Horizontal section of cephalic eye near the inferior margin 60/1.asurface of the eye,bframe with irregular orreserve prisms,cpart of the cheek with normalstructure. Spec. DP.» 2. Hypostoma 2/1. Spec. BM.» 3. The right macula 12/1.» 4. Part of the same in transmitted light 60/1. Spec. DR.» 5. Vertical (sagittal) section of the inferior part of thehypostoma, crossing the maculaa12/1.» 6. Vertical section of the same macula 60/1. All spec. fromWestanå, Östergötland.
Megalaspis limbataBoeckp. 61.
Fig. 7. Hypostoma, mostly decorticated 2/1. Specimen from Fogelsång,Scania, the same asBrögger'soriginal to hisfig. 23.
Megalaspis planilimbataAngel.p. 61.
Fig. 8. Hypostoma, Öland, Äleklinta 2/1.
Megalaspissp.
Fig. 9. Vertical section of macula (a) 12/1. Öland, Lowergrey Orthoc. limestone.
Nileus armadilloDalm.p. 62.
Fig. 10. Horizontal section of cephalic eye 60/1.» 11. Vertical section of the same 60/1.» 12. A similar section 60/1.athe prisms of clearcalcareous spar,bthe surface of the eye andthe free cheek of yellow spar.» 13. The hypostoma 2/1.» 14. The right macula 12/1.» 15. Vertical section of macula (a) 12/1. All specimensfrom Persnäs, Öland, excepting fig. 13 from Westanå,Östergötland.
Symphysurus palpebrosusDalmanp. 62.
Fig. 16. Horizontal section of cephalic eye 60/1.» 17. Vertical section of the same 60/1.» 18. Hypostoma 2/1. From Westanå, Östergötland.
Niobe frontalisAng.p. 63.
Fig. 19. The hypostoma 2/1.» 20. The right macula 10/1.» 21. Part of the same in transmitted light 60/1.Specimen from Kungs Norrby, Östergötland.
Niobe lævicepsAng.p. 63.
Fig. 22. Horizontal section of cephalic eye near the inferior margin,acheek 60/1.» 23. Hypostoma 2/1.» 24. The right macula 10/1.» 23. Part of the same in transmitted light 60/1.» 26. Vertical section of maculaa12/1.
Ogygia dilatatavar.SarsiAngel.p. 63.
Fig. 27. Hypostoma 2/1.» 28. The right macula 10/1. From Christiania, Haakavik, Collectionof Dr.G. Holm.
Olenussp. p. 33.
Fig. 29. A part of the free cheek with the scallop 6/1.» 30. Profile of the scallop. Andrarum, Scania.
Parabolina spinulosaWahlenb.p. 33.
Fig. 31. The free cheek with the scallop 3/1.» 32. Profile of the scallop. From Jemtland.
Paradoxides oelandicusAngel.p. 64.
Fig. 33. Hypostoma 2/1.» 34. The left macula 12/1. Öland, Torp.
Phacops cephalotesBarr.p. 65.
Fig. 35. The hypostoma; the shell mostly decorticated and themaculæ visible as casts on the inside.» 36. Cast of the inside of the right macula 12/1. Spec. fromLochkow, Bohemia.
Phacops quadrilineataAngel.p. 66.
Fig. 37. Horizontal section of cephalic eye near the inferior margin30/1. The dark points lie in the outermost stratum of thecheek.» 38. Vertical section of cephalic eye 20/1. An irregularlyhexaedral crystal below each lens. Specimen from Wisbya.
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Phacops macrophthalmusBurm.p. 65Fig. 1. Horizontal section of the cephalic eye 30/1.» 2. A similar one near the inferior margin,acheek 30/1.» 3. Vertical section of a cephalic eye 30/1.» 4. A similar, twice as much enlarged 60/1.» 5. Also a similar,acheek 30/1.» 6. Hypostoma 2/1. Spec. EA.» 7. The wings of the hypostoma, seen without foreshortening4/1. EA.» 8. The diminutive right macula 12/1, surrounded by incoherentterrace lines.» 9. The left macula 12/1. Specimens from Gerolstein Eifel, Devon.Acastesp.? p. 51.Fig. 10. The hypostoma 8/1. From Mulde, Fröjel, Gotland.Phaëtonides StokesiMurch.p. 66.Fig. 11. Hypostoma 4/1. Gotland, Eksta, Djupvik.Phillipsiasp. p. 66.Fig. 12. A portion of the cephalic eye 20/1.» 13. The hypostoma 4/1.» 14. The right macula 12/1. Specimen from Beeren Eiland, Oswaldsförberg, communicated by Hr.J. G. Andersson.Phillipsiasp.? p. 66.Fig. 16. The hypostoma 3/1.» 16. The right macula 12/1.» 17. Horizontal section of the cephalic eye 60/1.» 18. Vertical section of the cephalic eye,acheek 60/1.Probably from the Carbon of Belgium.Proetus concinnusDalm.p. 67.Fig. 19. Horizontal section of the cephalic eye, a little oblique, atright the innermost stratum with the rock 60/1.» 20. Vertical section of the cephalic eye. The diameter of theprisms 0,03 millim.» 21. Hypostoma 4/1.» 22. The right macula 12/1.» 23. The same with a light, transparent spot 12/1. Specimenfrom Djupvik, Eksta.Proetus conspersusAng.p. 68.Fig. 24. A portion of the cephalic eye 20/1.» 25. The hypostoma. Cast of the interior side 4/1.» 26. Cast of the interior side of the left macula 12/1.Fig. 24 from Öja, Gotland, the others from Kräklingbo.Proetus signatusLdm.p. 68.Fig. 27. Hypostoma 4/1.» 28-30. Three pair of maculæ with dark ocelli in a white spot.Ptychopyge angustifronsDalm.p. 69.Fig. 31. Horizontal section of the cephalic eye 250/1.» 32. Hypostoma, a broad variety 1/1.» 33. Another, a narrow variety 1/1.» 34. The left macula of the hypostoma fig. 32 4/1.» 35. A similar of the narrow variety 4/1.» 36. Vertical section of a macula.athe macula 20/1.Specimens from Vestanå and Kungs Norrby, Östergötland.Ptychopyge cinctaBröggerp. 69(according toFr. Schmidt. The figure 12aofBröggerresembles, however, the hypostoma of Pt. angustifrons, but not the hypostomata which have been prepared from the Ptych. cincta).Fig. 37. A hypostoma; the maculæ are directed obliquely 2/1.» 38. The right macula of another specimen 4/1.» 39. Vertical section of a macula 60/1. Specimens from KungsNorrby, Östergötland.Ptychopyge aciculataAng.p. 68.(CompareBröggerII Taf. I, fig. 13.)Fig. 40. The hypostoma, cast of the interior surface 1/1.» 41. Cast of the right macula 4/1. Specimen from Öland, Brunsby.Ptychopyge glabrataAng.p. 69.Fig. 42. Original ofBrögger'sfig. 14. Cast of the inside ofthe right macula 4/1. Ǎlleberg.Elyx laticepsAng.p. 19.Fig. 43. The interior surface of the right fixed cheek and theglabella. Magnified. Specimen from Andrarum. 4/1.Conocoryphep. 19.Fig. 44. Cast of the interior surface of the left cheek. Magnified.From Andrarum. 4/1.Solenopleura brachymetopaAngel.p. 19.Fig. 45. The head shield, cast of the interior surface. Magnified.Specimen from Andrarum, Scania. 4/1.Apus cancriformisSchäfferp. 73.Fig. 46. The hypostoma from the outside 8/1.» 47. The same from the inside 8/1.» 48. A side view of the same, 8/1.athe duplicature of thehead shield,bposterior integument of the hypostoma,cthe ventricle,dthe mouth.» 49. The right white spot at the posterior margin of the hypostoma,seen from the outside in transmitted light 150/1.
Phacops macrophthalmusBurm.p. 65
Fig. 1. Horizontal section of the cephalic eye 30/1.» 2. A similar one near the inferior margin,acheek 30/1.» 3. Vertical section of a cephalic eye 30/1.» 4. A similar, twice as much enlarged 60/1.» 5. Also a similar,acheek 30/1.» 6. Hypostoma 2/1. Spec. EA.» 7. The wings of the hypostoma, seen without foreshortening4/1. EA.» 8. The diminutive right macula 12/1, surrounded by incoherentterrace lines.» 9. The left macula 12/1. Specimens from Gerolstein Eifel, Devon.
Acastesp.? p. 51.
Fig. 10. The hypostoma 8/1. From Mulde, Fröjel, Gotland.
Phaëtonides StokesiMurch.p. 66.
Fig. 11. Hypostoma 4/1. Gotland, Eksta, Djupvik.
Phillipsiasp. p. 66.
Fig. 12. A portion of the cephalic eye 20/1.» 13. The hypostoma 4/1.» 14. The right macula 12/1. Specimen from Beeren Eiland, Oswaldsförberg, communicated by Hr.J. G. Andersson.
Phillipsiasp.? p. 66.
Fig. 16. The hypostoma 3/1.» 16. The right macula 12/1.» 17. Horizontal section of the cephalic eye 60/1.» 18. Vertical section of the cephalic eye,acheek 60/1.Probably from the Carbon of Belgium.
Proetus concinnusDalm.p. 67.
Fig. 19. Horizontal section of the cephalic eye, a little oblique, atright the innermost stratum with the rock 60/1.» 20. Vertical section of the cephalic eye. The diameter of theprisms 0,03 millim.» 21. Hypostoma 4/1.» 22. The right macula 12/1.» 23. The same with a light, transparent spot 12/1. Specimenfrom Djupvik, Eksta.
Proetus conspersusAng.p. 68.
Fig. 24. A portion of the cephalic eye 20/1.» 25. The hypostoma. Cast of the interior side 4/1.» 26. Cast of the interior side of the left macula 12/1.Fig. 24 from Öja, Gotland, the others from Kräklingbo.
Proetus signatusLdm.p. 68.
Fig. 27. Hypostoma 4/1.» 28-30. Three pair of maculæ with dark ocelli in a white spot.
Ptychopyge angustifronsDalm.p. 69.
Fig. 31. Horizontal section of the cephalic eye 250/1.» 32. Hypostoma, a broad variety 1/1.» 33. Another, a narrow variety 1/1.» 34. The left macula of the hypostoma fig. 32 4/1.» 35. A similar of the narrow variety 4/1.» 36. Vertical section of a macula.athe macula 20/1.Specimens from Vestanå and Kungs Norrby, Östergötland.
Ptychopyge cinctaBröggerp. 69
(according toFr. Schmidt. The figure 12aofBröggerresembles, however, the hypostoma of Pt. angustifrons, but not the hypostomata which have been prepared from the Ptych. cincta).
Fig. 37. A hypostoma; the maculæ are directed obliquely 2/1.» 38. The right macula of another specimen 4/1.» 39. Vertical section of a macula 60/1. Specimens from KungsNorrby, Östergötland.
Ptychopyge aciculataAng.p. 68.
(CompareBröggerII Taf. I, fig. 13.)
Fig. 40. The hypostoma, cast of the interior surface 1/1.» 41. Cast of the right macula 4/1. Specimen from Öland, Brunsby.
Ptychopyge glabrataAng.p. 69.
Fig. 42. Original ofBrögger'sfig. 14. Cast of the inside ofthe right macula 4/1. Ǎlleberg.
Elyx laticepsAng.p. 19.
Fig. 43. The interior surface of the right fixed cheek and theglabella. Magnified. Specimen from Andrarum. 4/1.
Conocoryphep. 19.
Fig. 44. Cast of the interior surface of the left cheek. Magnified.From Andrarum. 4/1.
Solenopleura brachymetopaAngel.p. 19.
Fig. 45. The head shield, cast of the interior surface. Magnified.Specimen from Andrarum, Scania. 4/1.
Apus cancriformisSchäfferp. 73.
Fig. 46. The hypostoma from the outside 8/1.» 47. The same from the inside 8/1.» 48. A side view of the same, 8/1.athe duplicature of thehead shield,bposterior integument of the hypostoma,cthe ventricle,dthe mouth.» 49. The right white spot at the posterior margin of the hypostoma,seen from the outside in transmitted light 150/1.
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Transcriber NoteMinor Typos were corrected. Inconsistencies in capitalization and abbreviations were left as printed.
Transcriber Note
Minor Typos were corrected. Inconsistencies in capitalization and abbreviations were left as printed.