678 



INDEX 



333 : Brain, 334 : Sensory organs, 335 : 

 Reproductive organs, 336 : Develop- 

 ment, 337 : Ethology 339 : Geographical 

 distribution, 341 : Geological distribu- 

 tion, 342 : Extinct groups of reptiles, 

 344 : Relationships, 579 



Respiration, organs of, Amphioxus, 42 : 

 Craniata, 82 : Petromyzon, 122 ; Chilo- 

 . scy Ilium, 142 : Elasmobranchii : 164 : 

 Holocephali, 178 : Trout, 197 : Teleo- 

 stomi, 218 : Ceratodus, 233 : Frog, 257: 

 Amphibia, 283 : Lizard, 306 : Reptilia, 

 332 : Pigeon, 370 : Aves, 406 : Rabbit, 

 437 : Mammalia, 543 



Respiratory, heart, 90* 



Respiratory tube of Petromyzon, 120, 

 121, 122 



Rete mirabile, 164* 



Reticulum, 538* 



Retina, Craniata, 104*, 105 



Reversal of selection, 618* 



Rhabdopleura, 1, 7, 10, 38, 578, 579 



Rhamphorhynchus, 349 



Rhamphotheca, 380* 



Rhea, 383, 393, 404, 414, 416 



Eheffi, 383*, 407 



Rhinencephalon, 94* See Brain 



Rhinobatus, 168 



Rhinoceros, 452, 463, 474, 506, 509, 511, 

 512, 565, 572 



Rhinoccele, 94* See Brain. 



Rhinoderma darwinii, 288 



Rhomboid scales, 213* 



Bhynchocephalia, 312*, 317, 343 



Rhytina, 452, 536, 564 



Ribbon-fishes, 209 



Ribs, of Craniata, 67 : Lizard, 295 : 

 Reptilia, 320, 322 : Pigeon, 359 : Aves, 

 396 : Rabbit, 420 : Mammalia, 479 : 

 Edentata, 493 : Cetacea, 499 : Sirenia, 

 502 : Carnivora, 512 : Chiroptera, 518 



Rita biichanani, 205 



River tortoises, 313 



Rock-pigeon, 351 



Rock Wallaby, 546 



Rodentia, 417, 456*, 475, 507, 512, 537, 

 542, 543, 546, 548, 550, 552, 565, 574 



Rollers, 389 



Rostrum of skull, Craniata, 69* : Aves, 

 361 



Rudolphi, 642. 



Rumen, 538* 



Ruminants, 453, 463, 472, 473, 504. .loo. 

 509, 512, 533, 540 



>ACRO-VERTEBRAL ANGLE, 520* 



Sagitta, 199 



St. Hilaire, E. G., 638 



Salamanders, 245, 272, 274, 289 



Salamandra, 272, 274, 276, 280, 282, 283 r 

 285, 286, 289 



Salamandra atra, 289 



Saliva, 81* 



Salivary glands, 81* See Digestive 

 system 



SALMO FARIO, 183 : External characters, 

 183, 184, 185 : Skin and exoskeleton,. 

 185, 186 : endoskeleton, 186-195 : 

 Muscles, 195 : Coelome, 195 : Digestive 

 organs, 195 : Air-bladder, 197 : Respira- 

 tory organs, 197 : Circulatory organs, 

 197 : Nervous system, 197, 198 : Sensory 

 organs, 199 : Urinogenital organs, 200 : 

 Development, 200, 201 : Systematic- 

 position, 207 



Salmon, 183, 205 



Salmonidce, 224, 226 



Salpa, 23, 24, 26, 27, 35, 36 



Salpa democratica, 24 



Salpidce, 19 



Sand-grouse, 388 



Sand-martins, 408 



Sarcophihis ursinus, 531 



Sargus, 218 



Sauropsida, 291*, 415 



Sauropterygia, 314*, 344 



Saw-fish rays, 157 



Saw-fish shark, 157 



Scala tympani, 443 



Scala vestibuli, 443 



Scaly Anteater, 450, 470, 532, 564 



Scaphirhynchus, 203, 226 



Scaphognathiifs, 349 



Scaphoid, 427 See Limb-skeleton <>fr 

 Mammalia 



Scapula, 77* See Pectoral arch 



Scapula, accessory, 401 



Scapular region, 77* See Pectoral arch. 



Scheuchzer, 639 



Schizoccele, 115* 



Schizognathous, 400* 



Schleiden, 639 



Schneiderian membrane, 102* 



Schultze, Max, 640 



Schwann, 639 



Sciiicidse, 342 



SciuridcK, 457 



Sclater, P. L., 648 



1 erotic plates, of Stegocephala, 281 

 Lizard, 309 : Reptilia, 335 : Pigeon, 

 378 



Screamers, 388 



Scroll-valve of Elasmobranchii, 164 



Scrotal sac of rabbit, 418, 444 



Scrotum, 550 



Scutes, of Teleostomi, 212 : Stegocephali, 

 277: Reptilia, 318, 319: Armadillos, 

 470 



Scyllium canicidaSee Chiloscyllium 



Sea-bream, 206 



Sea-cows, 417 



Sea-horse, 207, 208, 225 



