718 . 



INDEX. 



Saururae, 537, 557 



Saw fish, 421 



Saw fly, 360 



Saxicava, 280 



Scalpellum, 273 



Scaphiopus, 484 



Scaphirhynchops platyrhynchus, 



427 



Scaphopoda, 237, 252 

 Sceleporus undulatus, anatomy 



of, 493, 504 

 Schizaster fragilis, 206 

 Schizopoda, 294 

 Scolex of tape-worms, 114 



trematode worms, 108 

 Scolopendra gigantea, 338 



heros, 338 

 Scolopendrella, 344 

 . Scomber scombrus, 456 

 ^v-'Scyphophori, 449 

 c ,f^ Seal, 614 



Sea-anemone, 74 



Sea-cow, 595 



Sea-cucumber, anatomy of, 210 



apodous, 215 



pedate, 215, 217 

 Sea-fan corals, 86 

 Sea-horse, 443 

 Sea-lion, 614 

 Sea-pen, 86 

 Sea-squirts, 386 

 Sea-worms, 169 

 Selache maxima, 420 

 Selachians, 414 

 Semotilus rhotheus. 453 

 Semnopithecus, 621 

 Sense, organs of, 640 

 Serolis Gaudichaudi, 286 

 Sertularia, 61 

 Sewellel, 585 



Sexual coloration in fishes, 444 

 Shad, 450, 451 



gizzard, 443 

 Shagreen, 415 



Shark, basking, 420 



hammer headed, 421 



mackerel, 419 



Port Jackson, 416 



thresher, 420 

 Sharks, 414 

 Sheep, varieties of, 609 

 Sheep, musk, 610 

 Sheep hydatid, 118 

 Shells, fossil, 270 

 Ship worm, 250, 254 

 Showt'l, 585 

 Shrew, 587 

 Shrike, 555 

 Shrimp, 292, 294 

 Sida, 279 

 Simise, 619 

 Siphonaptera, 355 

 Siphonophora, 68, 72 

 Siphonops, 482 

 Siphydora echinoides, 47 

 Sipunculus, 159 

 Siredon, 479 

 Siren ia, 595, 629 

 Siren lacertina, 478 

 Sivatherium, 605 

 Skates, 421 



development of, 419 

 Skull, brachycephalic, 627 



dolicocephalic, 627 

 Slug, 245 

 Smelt, 452 

 Smolt, 452 

 Smynthurus, 344 

 Snail, 245 

 Snake, hooded, 499 



striped, anatomy of, 498 

 Snakes, 496 



protective coloration 

 497 



viviparous, 497 

 Snipe, 545 " 

 Snow-flea, 344 

 Solaster endeca, 115 



L98 



L or. 



?' 



