INDEX 



665 



Scinciis officinalis, 561 



Sciurus bicolor, squirrel, 248 



Scolecomorphus, 90 



Sea Snakes, 635 



Seeley, on fossil Reptiles, 303 n. 



Seeleya, 81, 289 



Segniental duct, 49 



Sense-organs, ofChelonia, 329 f. ; of Croco- 

 diles, 445 f. 



Sepedon haemacliates, 632, 633 



Seps, 562 



Seychelles, gigantic tortoises of, 373 



Shell of Chelouia, 321 f., 319, 320, 321, 

 322, 323, 327 ; partial regeneration of, 

 329 ; correlated changes, 328 



Shields, horny, of Chelouia, 322, 323, 

 325 f., 327 ; evolution of. 326 f. ; 

 individual variation in, 326, 327 ; 

 periodical peeling of, 328 



Shoulder-girdle, of Urodela, 14 ; of Anura, 

 24, 25, 138 f . ; arciferous, 24. 25, 

 138 ; firmisternal, 24, 25, 138 ; of 

 Aglossa, 144 ; of Microsauri, 289 ; of 

 Protorosauri, 290 ; of Theromorpha, 302; 

 of Pareiasauri, 305 ; of Dicynodon, 310 ; 

 of Chelonia, 318, 319, 320 ; of Dino- 

 sauria, 414 ; of Eusnchia, 440 ; of 

 Plesiosauria, 474 ; of Cryptoclidus, 475 ; 

 of Ichthyosauria, 480, 481 ; of Ptero- 

 sauria, 485 ; of Pteranodon, 487 ; of 

 Pythonomorpha, 488 ; of Lacertilia, 

 496 



Shnfeldt, on Axoiotl, 114 ; on Heloderma, 

 540 n. 



Simosaurus, 477 



Siphonops, 86, 87, 90 



Siredon (Axoiotl), 112 



Siren, 96 ; S. lacertina, 136, 136 



Sirenidae, 94, 96, 136 



Sistrurus miliarius, 647 



Skeleton, figured, ofTestudo, 319 ; ofCMone, 

 320 ; of Brontosaurus, 418 ; of Cerato- 

 saurus, 422 ; of Stegosaurus, 426 ; of 

 Iguanodon, 428 ; of Triceratops, 430 ; 

 of Pterodactylus, 485 



Skin, of larval Amphibia, 31 ; shedding of, 

 32 ; glands, 32 ; pigment, 34 ; change 

 of colour, 35 ; poison, 36 ; of Apoda, 

 87 ; of Pipa, 149 ; forms receptacles for 

 eggs, 151, 248 ; of Eusuchia, 441 f. 



Skin-glands,of Crocodiles,443 ; of Lacertilia, 

 497 ; of Geckones, 504 ; of Snakes, 583 



Skull, of Urodela, 16 f., 17; of Ambly- 

 stoma, 17 ; of Salamandrina, 17 ; of 

 Sala-mandra, 17 ; of Anura, 28 f. ; of 

 Apoda, 84, 85 



Skull, of Reptilia, 280, 281: of Prorep- 

 tilia: Cricotus, 287 ; Eryops, 286 : of 

 Microsauri, 289 : of Protorosauri, 280 ; 

 Palaeohatteria, 280, 291 : of Rhyncho- 

 cephali (Sphenodon], 280, 295, 295 : 

 of Theromorpha, 280, 301, 303 ; 



Elginia, 280, 305 f. ; Cynognathus, 280, 



306 ; Gordonia, 280, 310 ; Dicynodon, 

 280, 310 ; Theriodontia, 306 ; Mam- 

 malian resemblances, 308 f. ; Lycosaurus 



307 ; Endothiodon, 307 ; Gompho- 

 ynathus, 308 ; Anomodontia, 309, 280 ; 

 Oudenodon, 310 ; Placodus, 311 : of 

 Mammalia, generalised, 281 : of Che- 

 Ionia, 316 f., 280 ; Spkargis, 335 ; 

 Chelydridae, 280, 338 ; Chdydra, 280, 

 338 ; Chelonidae, 317, 378, 379 ; Che- 

 lone, 317, 378 ; Thalassochelys, 379 ; 

 Clemmys, 356 ; Testudo, 364 ; Chelys, 

 400,344 ; Trionyx, 405, 404 ; Chrysemys, 

 280, 346 ; Cistudo, 280, 361 ; Pleurodira, 

 388, 400 ; Pelomedusidae, 390 ; Chely- 

 didae, 399, 400; Triouychoidea, 404, 

 405 : of Dinosauria, 412 f., 422 ; 

 Anchisaurus, 421 ; C'eratosaurus, 422 ; 

 Diplodocus, 419 : of Crocodilia, 280 ; 

 Psendosuchia, 432 ; Parasuchia, 433 ; 

 Eusuchia, 434 f. ; Gavialis, 452 ; Croco- 

 dilus americamis, 466 ; C. niloticus, 

 460 ; C. palustris, 455 ; C. porosus, 

 458 ; Alligator, 468 : of Plesiosauria, 

 473 ; Nothosaurus, 477 : of Ichthyo- 

 sauria, 479 ; Ichthyosaurus, 281 : of 

 Pterosauria, 484 ; Dimorphodon, 281 : 

 of Pythonomorpha, 488 ; Clidastes, 

 281 : of Lacertilia, 281 ; Geckones, 

 504 ; Agamidae, 281, 515 ; Uromastix, 

 281 ; Iguanidae, 528 ; Anguidae, 537 ; 

 Helodermatidae, 540; Varanidae, 281, 

 542, 543 ; Varanus, 281 ; Tejidae, 547 ; 

 Lacertidae, 281, 550, 550 ; Lacerta, 

 281 ; Scincidae, 559 ; Amphisbaenidae, 

 565 ; Chamaeleontes, 568, 569 : of 

 Ophidia, 281, 596, 597, 588 ; Eunectes, 

 596, 597 ; Crotahis, 588 



Slow-worm, 539, 539 



Slugs eaten by tortoises, 363 



Smell, sense of, of Chelonia, 330 



Smith, the, = llyla faber, peculiar nursing 

 habits, 196 f. 



Smooth Snake, 619, 620 



Snakes, 581 f. ; skull, 581 f. ; 281, 588, 

 596, 597 f. ; vertebrae, 582 ; general 

 anatomical structure, 583 f.; geographical 

 distribution, 585 f., 585; classification, 

 592 f. 



Snake-charming, 631 



Snake-poison, 586 f. 



Snake-stones, 629 f. 



Snapping Turtle, 338 f. 



Soft-shelled Turtle, 408 



Sound produced by rubbing of scales of 

 Teratoscincus, 507 



Spade-foot, 162 



Spelerpes, 94, 96, 97, 103, 104, 106 ; S. 

 altamazonicvs 104 ; S. bilineatus, 104 ' 

 S. fuscus, 104, 105 ; tongue, 106 ; S. 

 infuscatus, 104 ,' & Uneolus, 104 ; S. 



