INDEX 



•21 



Railio-uluit, -27;?, '267 



Radius, S2*, 83 — .See Liinh skck-loii 



Rails, 41(), 4-2() 



Rajida, 17<>* 



nnllus, 4 It). 4-2() 



RaNA TEMl'OKAKIA and 1\. KSCILKNTA, 



264 : External cliaiacters, 26') : Endo- 

 skeleton, •_'(•(). 267 "274 : Muscular sys- 

 tem, 274, 275 ; Digestive organs, 276. 

 277 : Respiratory organs. 277 : Cireula 

 tor \' organs, 278-2S4 : Nervous system, 

 284", 285 : Sensory organs, 284' 28.") : 

 Urinogenital organs. 28(). 287. 288 : 

 Development, 288, 289, 29(». 291 : 

 S^'stematic position, 294 



Rana pipienx, 2tio 



Range, 62o* 



Baiild'f, 294* 



Ranide.ns, 299 



Rapacious Birds, 442 



Ratitae, 410*, 423, 425, 427, 42!t. 4:^(1. V.V.i. 

 442, 445 



Rats, 484 



Rattlesnakes, 335. 349 367. 



Rauber's layer, 589* 



Raven, 417 



Ray, John, 6G8, ()71 



Rays, 170-187 



Recapitulation Theory, 646 



Recent period, 642 



Reeeptaculum chyli, 574 



Recessive characters, 665* 



Recognition-marks, 424 



Rectal gland. Dogfish, 154 



Rectrices — See Pterylosis, 385 



Rectus abilominis. 274. 275 



Red-bodies, 237* 



Red Deer, 536. 541. 542. 543 



Red-glands, 237" 



Redir671 



Reef-fishes, 224, 244 



Begaleai-% 233. 635 



Regeneration, 659* 



Reindeer, 501, 502, 



Relationships of Adelochorda, 13, 43 : 

 Urochorda, 42 : Amphioxus, 65 : Cyclo- 

 stomata, 142: Amphibia. 312: Aves. 

 443 : Chordata, 610 : Phyla of Animals, 

 616 



Remiges— See Pterylosis, 385* 



Renal artery, 92 : vein, 93 



Renal organs— See Excretion, organs of, 

 and Urinogential organs 



Renal portal system, 94* — See Va.scular 

 system 



Replacing bones, 78* 



Reproductive organs of Balanoglossus, 

 7: Cephalodiscus, 11, 12: Ascidia, 

 21 : Urochoida, 31 : Amphioxus, 55 — 

 See Urinogenital organs 



Reptilia, 313 : Example, 314: Distinc- 

 tive characters and classification, 334 : 



External features, 338 : Integument 

 and exoskcleton, 342 : Endoskeleton, 

 343 : Digestive organs, 355 : Organs of 

 respiration. 357 : Organs of circulation, 

 358 : Brain. 36<J : Sensory organs, 36U : 

 i\epro(luctive organs, 362 : Develop- 

 ment, 362: Ethology, 3(i5: (Jeographii'al 

 distribution, 369 : (ieological distribu 

 tion, 370 : Extinct groups of reptiles, 

 371 : Relationsliips, 61(t 



Respiration, organs of. Amjiliioxus. 48 : 

 Craniata, 88: Petromyzcm, 129, 130: 

 Chiloscyllium, 154; Elasmobranchii, 

 178: Holocephali, 192: Trout, 212: 

 Teleostomi, 234 : Ceratodus, 250, 251 : 

 Frog. 277: Amphil)ia, .304: Lizard, 

 328 : Reptilia. 357. 358 : Pigeon, 397, 

 398. 399. 400 : Aves, 434 : Rabbit, 

 46(i : Mannnalia, 576 



Respiratory, heart, 96* 



Respiratory tube of Petromyzon, 128, 

 129, 130' 



Respiratory valves, of Trout, 19!) 



Restiform bodies, 193 



Rete mirabile, 178* 



Reticulum, 571* 



Retina, Craniata, 110', 111 



Retrophina, 620 



Reversal of selection, 655* 



Rhnhdop/eura, 2, 9, 12, 13, 613 



lihftmphorht/uchux, 377 



Rhamphotheca, 408* 



Rhea. 411, 421, 430, 442, 445 



Rhese, 411, 4.35, 443 



h'hina, 178 



Rhinencephalon, 1<K)*— See Brain 



f'/iiuohatuK, 181 



RIiTiiocerox, 482, 49i), 502, 504. 537, 538, 

 541, 543, 544, 599 



Rhiiioreros inrliois, 504 



RhiiiochHiis, 633 



Rliinocifle, 100* — See Brain 



RI(inodcrma darwmi, .309 



Rhomboid scales, 228* 



Rhynchocephalia, 335*. 339. 344, 371 



Rbytlii'i, 481, 568. 598, 606, 642 



Ribbon-fislies, 224. 232 



Ribs, of Craniata, 71, 74 : Dogfish, 147 : 

 Teleostomi, 229 : Urodela, 299 : Lizard, 

 316 : Reptilia, 344, 345, 346, 347 : 

 Pigeon, 385 : Aves, 424 : Rabbit, 449 : 

 Mammalia, 510 : Edentata, 526 : 

 Cetacea, 531 : Sirenia, 534 : Carnivora, 

 544 : Chiroptera, 550 : Rabbit, 449 



Rita hurhunani, 220 



River tortoises, 336, 341, 368 



Rock-pigeon, 378 



Rock Wallaby, 495, 523, 578 



Rodentia, 484*, 492, 547, 548, 549, 569, 

 574, 575, 581, 595, 599, 609 



Rods and cones, of retina, 111* 



Rollers, 417 



