INDEX 



705 



Diaphorapteryx, 625 

 Diaphragm, 458 

 Diaphragm, of Craniata, 72 

 Diastema, 458 



JJiazona, 23 



Dirotyle^, 482, 599 



Diddphyid'i', 478, 492, 495, 521, 524, 

 563, 584, 598, ()U2, ()29, ()33 



J)id(f/])liy.-i dorsiyent, 583 



Diddphys tyiar-supiidi", 563, 504 



J)iildphy-< virfjiniaii't, 494 



Uididte, 417 



Diduncidus, 638 



y>«V/».s', 416, 417, 430, 444 



Dieiuephalon, of Cianiata, 100* 



Diftuse placenta, 595 



Digestive system, of Balanofjlo.<ixnf<, 4, 5 : 

 Ascidia, 19: Appmdiodarin, 29 : Sim- 

 ple Ascidians,29: Composite Ascitliaiis, 

 29 : Salpa, 29 : Doliolnm, 29 : Crani- 

 ata, 84 : Lamprey, 128 : My.riiu, 141 : 

 Dogfish, 152, 153 : Elasmobranchii, 

 177: Holocephali, 192: Trout, 210, 

 211 : Teleostomi, 233 : Co-alodiis, 250 : 

 Frog, 276, 277 : Amphibia, 304: Lizard, 

 323, 324 : Replilia, 355, 356 : Pigeon, 

 396, 397 : Aves, 433, 434 : Rahliit, 458 : 

 Mannnals, 557 



Digitals, 385* 



Digitigrade, 375 



Digits, 69 — See Limbs 



Dingo, 599, 631 



Dinoreras, 608 



Dinoniis 'rohudiis, 431, 642 



Dinornithes, 411, 427, 430, 43(i 



J)>norn'(tlud<c, 411, 443 



Dinosauria, 337*, 374. 375 



JJiito/herldo, 606 



IJinotherium ijiganteum, 607 



Diomcdaa, 415, 430, 436 



Diphycercal, 190*, 230 



■Diphyodont, 476* 



Diploblastic, 617 



Dipneumona, 257* 



Dipnoi, 66, 246 : Example, 246 : Dis- 

 tinctive characters and classification. 

 257 : (General remarks, 257 



Dipodkhv, 484, 547, 549 



Diprotodon australis, 602, 603, 642 



Diprotodont, 562 



Diprotodontia, 478*, 496, 602 



JJipterus, 260 



Dipus, 506 fc^ 



Discoidal placenta, 595 



Dispersal, 626 



Distalia, of Craniata, 83* 



Distinctive characters and classification 

 of Acrania, 64 : Craniata, 66, 123 : 

 Cyclostomi, 137: Elasmobranchii, 166; 

 Teleostomi, 217 : Dipnoi, 257 : Am- 

 phibia, 292 : Reptilia, 334: Aves, 408 : 

 Mammals, 476 



Distribution, oi Acrania, 64 



Distribution, geological, 638 



Distrilmtion, geohjgical, of Cyclostomi, 

 143: Elasmobiaufhii, 187: Tloloce- 

 pliali, I9(i: 'rclcostonii, 243: Dipnoi, 

 257: Ami)hibia, 312: Kcptilia, 37n, 

 371 : Aves, 443 : Mammals, 600 



Distribution, geographical, 619 



Distribution, gtiographical, of Cephalo- 

 discus, 12: of Rliabdopleura, 12: of 

 Urochorda, 42 : of Cyclostomi, 143 ; 

 Holocepliali, 188 : Teleostomi, 242 : 

 Dipnoi, 257: Ampiiibia, 312: Reptilia, 

 369, 370: Aves, 442: Manunalia, 598 



Divers, 414, 444 



Diverticulum, (esophageal, uf IIhIhiki- 

 f/ZossKs, 4, 6 



Dodo, 416, 417, 426, 430, 444, 642 



Dogfish, 70— See Scyllium and Hemis- 

 cyllium 



Dogfishes, 169-188 



Dogs, 484, 505, 514. 545. 546. 547. 560, 

 569, 577, 599 



Dohrn, Anton, 684 



J)olrhinia, 23 



JJoHo/idn', 23 



Doliolnm, 23, 27, 29, 30, 31, 39, 40. 43 



Dolphins, 480, 501, 560, 561 



Dominant characters, 665* 



Dorsal aorta, 92 — See Vascular system 



Dorsal fissure, 98*, 99 



Dorsal lamina, 18, 19 



Dorsal shield, I'tcraspis, 261 



Dorsal tubercle, of Ascidia, 20, 21 



Dorsal root, of spinal nerve. 91* 



Doves, 416 



Down-feathers, 381, 383*, 423 



Draco, 366, 344, 369, 638 



Draco vo/an.s, 366 



Drfipauaspidii', 261, 262* 



DrepanaKpi-s (/emHiidnniisi-^, 262 



Drtpanid<t', 633 



Dronueognathous, 428* 



Drommif^, 410, 421, 423, 425, 430, 432. 

 442 



Dromulheriitm, 600 



Dryopithecus, 610 



Dryornis, 413 



Duck-Bill, 478 — See Ornithorhynrlmfi 



Ducks, 416, 421, 428, 429 



Ductless glands of Crapiata, 88. 12<t 



Ductus Rotalli, .304, 306* 



Ductus Cuvieri, 156* 157 



Ductus endoljmphaticus, 3.32 



Dugong, 48r, 511, 516, 534, 53,'., 536, 

 568, 598, 606 



Dujardin, 679, 682 



Dumb-bell -shaped bone, 520 



Duodenum, 152*: of Pigeon, 397 : Rab- 

 bit, 460 



Duplicidentata, 488 



Dura mater, 103* 



