Restorations-- Campylognathus, palate of, 71 Dimorphodon, 143, 147, 164 Ornithocheirus, 164 Ornithostoma, 164, 183 Ptenodracon, 167 Pterodactylus, 29, 30 Rhamphocephalus, 164 Rhamphorhynchus, 161, 164 Scaphognathus, 163 Rhacophorus, 19 Rhætic beds, 184 Rhamphocephalus, 113, 136, 153 Rhamphorhynchus, 118, 192; foot, 104; hind limb, 99; pelvis, 95; sacrum, 88; skull, 54, 63-6, 69; sternum, 108; tail, 91; teeth, 73; tibia and fibula, 103; web-footed, 105 _Rhamphorhynchus curtimanus_, 163; _hirundinaceus_, 163; _longimanus_, 164; _phyllurus_, 91, 165 Rhinoceros, 40, 141 Rhopoladon, 97 Rhynchocephala, 192 Roc, 36 Rochester, 136 Running limb, 38 Ryle, Bishop, 17 S Sacrum, 87, 88 St. George, 15 St. Ives, 156 Sarcorhamphus, 102 Saurians, 27 Saurischia, 190, 195, 198, 199 Sauromorpha, 191, 192 Sauropsida, 188 Sauropterygia, 192 Scaphognathus, 64, 85, 140, 152, 192, 212 _Scaphognathus crassirostris_, 73-5, 83 Scapular arch, 111, 113 Scelidosaurus, 135 Sclerotic circle, 65 Seals, 41 Sedgwick, Professor Adam, v, 46 Shillington, 77 Shoebill, 67 Shoe-shaped prepubic bones, 204, 205 Short-tailed pterodactyles, 165, 193 Shoulder-girdle, 107, 111, 114, 115, 183 Siberia, 141 Simultaneous origin of characters, 214, 224 Skin covering, 40, 41, 58, 139, 140 Skulls, 68 Sloth, 112 Snipe, 47, 68 Solenhofen Slate, 28, 32, 88, 153, 156 Sömmerring, 29 South African reptiles, 188, 208, 216 Spotted fly-catcher, 47 Squamosal bone, 12, 13 Sternal ribs, 110 Sternum, 107, 158 Stonesfield Slate, 33, 88, 153 Structures common to reptiles, 224 Stuttgart Museum, 32, 172, 203 Swanage, 172 Swan, neck of, 80, 113 Swift, 50 Swimming limb, 38 Synotus, 25 Syrinx, 48 T Tail, description of, 90; in Cretaceous Pterodactyles, 193 -- long, 156; short, 166; in Dimorphodon, 145; in Ornithocheirus, 179 Tanystrophoeus, long vertebræ in, 79 Tarsal bones, 102, 207 Tarso-metatarsus, 128 Teeth, 73, 137, 138; in porpoise, 40 Temperature of blood, 56 Temporal arches, 68 -- bone, 12 -- fossa, 67 Teredo, 137 Texas fossils, 216 Thecospondylus, 209 Theriodont pelvis, 97 -- reptiles, 75; of Russia, 96, 97; of South Africa, 96, 117 Theropsida, 188 Thigh bone, 100, 206, 211 Three claws, 146, 197 Tibia, 102, 195; in Iguanodon, 207 Toothless mammals, 40 -- pterodactyles, 138, 181; beak of pterodactyles, 150 Transition from reptiles to birds, 211 Tree frogs, 21 Trias dinosaurs, 199 Triceratops, pelvis of, 204 Trout, 139; of New Zealand, 228 Tuatera, 13 Tübingen Museum, 32 Tundras, 141 Tunny, 57 Turtles, neck bones, 79 U Ulna, description of, 119 Uncinate process of ribs, 85 Unlimited time, 228