554 



INDEX. 



Sandgrouse 42, 335 

 Sarcophilus 43 ; teeth 423 

 Sauropoda 38; general characters 



205 ; teeth 273 ; vertebrae 276 

 Sauropsida 36 ; general characters 



189 



Sauropterygia 37-, general charac- 

 ters 192; limbs 290; palate 281; 



pectoral girdle 288; vertebrae 



276 



Saw-fish 32 ; see Pristis 

 Scales, cod 83; crocodile 237; 



ctenoid 8 ; cycloid 8 ; duck 302 ; 



ganoid 8 ; Gymnophiona 168 ; 



mammals 417 

 Scale-foot 37 

 Scalpriform 366 



Scaphirhynchus 32, 104 ; distribu- 

 tion 66; exoskeleton 67; spinal 



column 112 



Scaphoid 27 ; mammals 504 f. 

 Scapho-lunar, dog 408 

 Scapula 25 ; cod 103; crocodile 263 ; 



dog 404; duck 322; frog 162; 



newt 146 ; turtle 232 

 Scapular shield, armadillo 419 

 Scapus, duck 302 

 Scarus 33; beaks 111 

 Scelidosauridae 39 

 Schizognathous, defined 335 

 Scincidae 38 

 Scincus 38 ; scutes 271 

 Sciuromorpha 47 

 Sclerotic, turtle 228 

 Screamer 41 ; spurs 330 

 Scutes, armadillos 419 ; crocodile 



237 ; reptiles 271 

 Scylliidae 32 



Scyllium 32; calcification of ver- 

 tebrae 114 ; pectoral fins 130 ; 



suspensorium 119 ; see Dogfish 

 Scymnus 32, 118; calcification of 



vertebrae 114 ; mandibular arch 



120 ; pectoral fins 130 

 Scythrops 42 ; interorbital septum 



333 

 Sea leopard 48 ; see Ogmorhinus ; 



lion 48; manus 511 ; pes 526 ; 



position of limbs 29 ; otter 



48; pes 526 

 Seal 369; manus 511; pes 526; 



sacral vertebrae 452 ; scapula 



497 



Secondaries, duck 303 f. 

 Secretary-bird 41 ; claws 330 

 Selachii 31 ; general characters 63 ; 



teeth 108 



Selenodont, defined 345, 428 

 Sella turcica, crocodile 247 ; dog 



386 



Semionotidae 33 

 Semiplumae 328 

 Sense capsules, see Auditory, Nasal 



and Optic capsule 

 Seps 38 ; limbs 289 

 Shagreen 61 

 Shaft of feather 302 

 Shark 64; Frill-gilled 31\ see 



Chlamydoselache ; Port Jackson 



32 ; see Cestracion 

 Sheep 359 ; manus 507 ; teeth 345 

 Shields of turtle 214 

 Shin 26 ; see Crus 

 Shoulder girdle, see Pectoral girdle 

 Shrew 49, 370; auditory ossicles 



488 ; cervical vertebrae 446 ; pre- 



sternum 490; skull 481; teeth 



440 



Sigmoid notch, dog 406 

 Siluridae 33 ; plates 105 

 Simla 49 ; ribs 493 ; skull 484 



thoraco-lumbar vertebrae 450 

 Simiidae 49, 373 

 Simplicidentata 47, 366 

 Siphonops 35; S. annulatus, skull 



178 

 Siredon 35 ; skull 175 ; teeth 169 ; 



visceral arches 181 

 Siren 35, 135, 188; beaks 168; 



branchial arches 180 ; digits 187 



skull 174 ; teeth 169 

 Sirenia 44, 522 ; arm bones 501 ; 



caudal vertebrae 453 ; cervical 



vertebrae 443 ; general characters 



352 ; hair 416 ; horny plates 418 ; 



manus 505 ; pectoral girdle 495 ; 



pelvis 514 ; ribs 491 ; skull 459 ; 



sternum 489 ; teeth 425 ; thoraco- 

 lumbar vertebrae 448 

 Sirenidae 35 

 Sirenoidei 34; general characters 



70 



Sivatherium 46 ; skull 469 

 Skate 32 

 Skeletogenous layer 14, 16; Amphi- 



oxus 52, 112 



