38Synotus,25Syrinx,48TTail, description of,90;in Cretaceous Pterodactyles,193— long,156;short,166;in Dimorphodon,145;in Ornithocheirus,179Tanystrophœus, long vertebræ in,79Tarsal bones,102,207Tarso-metatarsus,128Teeth,73,137,138;in porpoise,40Temperature of blood,56Temporal arches,68— bone,12— fossa,67Teredo,137Texas fossils,216Thecospondylus,209Theriodont pelvis,97— reptiles,75;of Russia,96,97;of South Africa,96,117Theropsida,188Thigh bone,100,206,211Three claws,146,197Tibia,102,195;in Iguanodon,207Toothless mammals,40— pterodactyles,138,181;beak of pterodactyles,150Transition from reptiles to birds,211Tree frogs,21Trias dinosaurs,199Triceratops, pelvis of,204Trout,139;of New Zealand,228Tuatera,13Tübingen Museum,32Tundras,141Tunny,57Turtles, neck bones,79UUlna, description of,119Uncinate process of ribs,85Unlimited time,228Upper arm bone,117— Greensand, remains in,136— Lias of Whitby,147— Oolites,185,195VVariation of bones in mammals,38— in Pterodactyles,229Variation of bones in vertebræ,225Vertebræ, caudal,89,92,203— cervical,173,179,203— dorsal,86Vertebral articulation,82,224— column,78Vulture, neck vertebræ of,80;tibia and fibula of,102Vomer,147Vomerine bones,72WWagler,29Wagner, Andreas,30,148,231Walker, J. F.,54Wealden beds, Pterodactyles in,55,84;bones in,135,136,173Weight of Pterodactyle,106Whinchat,47Whitby,33,135Williston, Professor W. S.,75,82,92,98,105,110Willow-wren,47Wing finger,116,130,133,151,178,197— membrane,32,121,140, andfrontispiece— metacarpal,123;in Dimorphodon,151;in Ornithostoma,184;in bats,131Wings of Dragons,16Winkler, T. C.,231Woodwardian Museum,34Wood-wren,47Wrist bones,122Würtemberg,33YYale College Museum,32York Museum,34,176ZZittel, Karl von,31,157,165,231Zygomatic arch,67
38Synotus,25Syrinx,48TTail, description of,90;in Cretaceous Pterodactyles,193— long,156;short,166;in Dimorphodon,145;in Ornithocheirus,179Tanystrophœus, long vertebræ in,79Tarsal bones,102,207Tarso-metatarsus,128Teeth,73,137,138;in porpoise,40Temperature of blood,56Temporal arches,68— bone,12— fossa,67Teredo,137Texas fossils,216Thecospondylus,209Theriodont pelvis,97— reptiles,75;of Russia,96,97;of South Africa,96,117Theropsida,188Thigh bone,100,206,211Three claws,146,197Tibia,102,195;in Iguanodon,207Toothless mammals,40— pterodactyles,138,181;beak of pterodactyles,150Transition from reptiles to birds,211Tree frogs,21Trias dinosaurs,199Triceratops, pelvis of,204Trout,139;of New Zealand,228Tuatera,13Tübingen Museum,32Tundras,141Tunny,57Turtles, neck bones,79UUlna, description of,119Uncinate process of ribs,85Unlimited time,228Upper arm bone,117— Greensand, remains in,136— Lias of Whitby,147— Oolites,185,195VVariation of bones in mammals,38— in Pterodactyles,229Variation of bones in vertebræ,225Vertebræ, caudal,89,92,203— cervical,173,179,203— dorsal,86Vertebral articulation,82,224— column,78Vulture, neck vertebræ of,80;tibia and fibula of,102Vomer,147Vomerine bones,72WWagler,29Wagner, Andreas,30,148,231Walker, J. F.,54Wealden beds, Pterodactyles in,55,84;bones in,135,136,173Weight of Pterodactyle,106Whinchat,47Whitby,33,135Williston, Professor W. S.,75,82,92,98,105,110Willow-wren,47Wing finger,116,130,133,151,178,197— membrane,32,121,140, andfrontispiece— metacarpal,123;in Dimorphodon,151;in Ornithostoma,184;in bats,131Wings of Dragons,16Winkler, T. C.,231Woodwardian Museum,34Wood-wren,47Wrist bones,122Würtemberg,33YYale College Museum,32York Museum,34,176ZZittel, Karl von,31,157,165,231Zygomatic arch,67