INDEX. 



695 



Sabellidse, 313 

 Sabinea, 435 

 Sable, 647 

 Sacconereis, 311 

 Sacculina, 426 

 Sacculus, 128, 542 

 Saccus vasculosus, 563 

 Sacral ribs, 528 

 Sagartia, 259 

 Sagitta, 296 

 Sagitta (ear bone), 564 

 Sagitta. development of, 158 

 St. Hilaire, 14, 22 

 Salamandra, 585, 587 

 Salamindrina, 587 

 Salinella, 220 

 Salivary glands, 106 

 Saltatoria, 480 

 Saltigrada, 453 

 Salmo, 576 

 Salmon, 576 

 Salmonidae, 576 

 Salpa, 510, 512 

 Salpceformes, 510 

 Sand dollar, 345 

 Sand saucers, 380 

 San Jose scale insect, 490 

 Sapajous, 651 

 Sapphirina, 421 

 Sarcocystis, 213, 218 

 Sarcode, 60 

 Sarcolemma, 93 

 Sarcophaga, 493 

 Sarcophilus, 633 

 Sarcopsylla, 494 

 Sarcoptes, 454 

 Sarcosepta, 255 

 Sarcosporida, 218 

 Sarsia, 241 

 Saurii, 598 

 Sauropsida, 588 

 Saururae, 612 

 Savigny, 14 

 Savigny's law, 401 

 Sawfish, 572 

 Sawflies. 485, 486 

 Saxicava, 367 

 Saxicavidae, 368 



Scala media, 543 

 Scala tympani, 543 

 Scala vestibuli, 543 

 Scale insects, 490 

 Scale, placoid, 515 

 Scales of fishes, 515, 558 

 Scales of reptiles, 597 

 Scallops, 637 

 Scalpellum, 424 

 Scansores, 616 

 Scansorial foot. 614 

 Scape, 603 

 Scaphander, 381 

 Scapharca, 367 

 Scaphiopus, 588 

 Scaphognathite, 431 

 Scaphopoda, 369 

 Scapula, 528 

 Scarabseidse, 484 

 Schafter, 13 

 Schizodont hinge, 359 

 Schizopoda, 428 

 Schizopodal appendages, 409 

 Schizosomi, 437 

 Sclerophylla, 261 

 Schleiden-Schwann theory, 58 

 Schwann, sheath of, 96 

 Scincidse, 599 

 Sciuridse, 639 

 Sciuromorpha, 639 

 Sciuropterus, 639 

 Sciurus, 639 

 Sclera. 131, 539 

 Scleral bones, 611 

 Sceleporus, 599 

 Scelrophyllia, 257 

 Sclerosepta, 255 

 Sclerotic, 539 

 Sclerotic bones, 593 

 Sclerotic coat, 130, 131 

 Sclerotomes, 531 

 Scolex, 278 

 Scollops, 367 

 Scolopax, 615 

 Scolopendra, 460, 461 

 Scolopendrelta, 497 

 Scolopendridse, 461 

 Scomber, 577 



