708 



INDEX 



Salpa, 26, 27, 28, 29, 30, 39, 40 



Salpa democratica, 26 



Salpidce, 22 



Sand -grouse, 404 



Sand-martins, 423 



Sand -pride, 120 



Sarcophilus ursinus, 546 



Sarcorhamphus, 617 



Sargus, 227 



Sauropsida, 303*, 323 



Sauropterygia, 326*, 360, 361 



Saw-fish rays, 165 



Saw-fish shark, 165 



Scala tympani, 459 



Scala vestibuli, 459 



Scales, 194 : of Pigeon, 369 



Scaly Ant-eater, 485-^See Manidse 



Scapanorhyncus, 182 



Scaphirhynchus, 212, 236 



Scaphognathus, 365 



Scaphoid, 442, 443 See Limb -skeleton 



of Mammalia 

 Scapula, 80, 81*, 8? See Pectoral 



arch : accessory, 417 

 Scapular region, 81* See Pectoral 



arch 



Scheuchzer, 658 

 Schizoccele, 118 



Schizognathous arrangement, 415* 

 Schleiden, 658 



Schneiderian membrane, 106*, 393 

 Schultze, Max, 659 

 Schwann, 658 

 Scincidse See Skinks 

 Sciuridce, 470, 491, 532 

 Sclater, P. L., 667 

 Sclerotic, 73*, 106, 321, 349, 393 

 Sclerotic plates, of Stegocephala, 293 : 



Lizard, 321 : Reptilia, 349 : Pigeon, 



393 



Screamers, 403 



Scroll-valve of Elasmobranchii, 172 

 Scrotal sac of Rabbit, 433, 460 

 Scrotum, 565 

 Scutes, of Teleostomi, 221 : Stego- 



cephali, 289 : Reptilia, 329 : Arma- 

 dillos, 484 

 Scy Ilium canicula, 140 See Hemi- 



scyllium 



Scymnus, 167, 173 

 Sea-bream, 215 

 Sea-cows, 467 See Sirenia 

 Sea-horse, 216, 217, 218, 219, 234 

 Sea-snakes, 324, 356 

 Sea-squirts, 14 

 Sea-turtles, 357 

 Seals, 470 



Sebaceous glands, 474, 475, 476 

 Sebastes percoides, 215 

 Secodont, 545* 

 Secondary cranium, 197 



Secretaiy-bird, 403, 609 

 Segmental duct, 114*, 115 

 Segregation, 645* 

 Selache, 173. 182 

 Selachii, 164* 

 Selenodoiit, 545* 

 Sella turcica, 74, 77*, 189 

 Semicircular canals, 111*, 112 

 Semi -lunar, 442 

 Semi -lunar valves, 270, 271 

 Semi-plumes, 409* 

 Semnopithecus, 590 

 Sense -vesicle, 34, 35, 36 

 Sensory organs : Amphioxus, 52, 53, 

 * 54 : Craniata, 104r -See Ear, Eye, 



Lateral line, Olfactory organ 

 Seps, 354 



Septum auricularum, 270*, 296 

 Septum lucidum, 455, 456 

 Serous membrane, of Birds, 427 4-8 : 



Mammalia, 462 

 Serpentarius, 609 

 Serranus, 233 

 Sesamoid bone, 380* 

 Severino, 648 

 Sexual selection, 636* 

 Shaft of long bone, 82* 

 Shagreen, 166 

 Shags, 403, 409 

 Shank, 67 See Hind -limb 

 Sharks, 165-182 

 Shearwaters, 357, 402 

 Sheep, 468, 487, 523, 553, 579 

 Shell, of Chelonia, 329 : of Pigeon, 396 

 Shell-gland, Dogfish, 159, 160 : Elas- 



mobranchs, 175 



Shell-membrane, 396, 422, 423, 577 

 Shore-fishes, 220 



Shoulder-girdle See Pectoral arch 

 Shrews, 471, 493 

 Siamanga, 610 

 Siebold, von, 661 

 Silurian period, 618 

 Siluroids, 214, 221, 222, 22~>. 226. 229, 



230, 234, 236 

 Simla, 473, 610 

 Simia satyrus, 539, 540 

 Simiidce, 473*, 494, 495, 535, 536, 537, 



581 



Sinus rhomboidalis, 392, 393 

 Sinus venosus, 88 See Heart 

 Sinuses, 90, 151* 

 Siphons, oral and atrial, of Ascidia, 



15,17 



Siredon, 302 



Siren, 284, 286, 287, 296 

 Siren lacertina, 286 

 Sirenia, 466*, 476, 486, 495, 496, 518, 



519, 550, 558, 563, 579, 586 

 Skates, 165 

 Skeletogenous layer, 70, 71* 



