706. 



INDEX 



E. 



K 



JAGLBS, 416, 428, 436 

 Eagle-rays, 177 



Ear, of Craniata, 115 : of Lamprey, 134 : 

 Myxine, 141 : Dog-fish, 163 : Elasmo- 

 branchii, 179 : Trout, 214, 215 : Frog, 

 284, 286 : Lizard, 331, 332 : Reptilia, 

 362 : Pigeon, 380, 406 : Aves, 435 ; 

 Rabbit, 453, 472 : Mammals, 581, 582 

 Eared Seals, 484, 506, 59fl 

 Earless Seals, 484 — See Phocida- 

 Ecdysis, .342 

 Echeneis, 226 



Echidna, 478, 490, 491, 492, 493, 516, 

 518, 519, 520, 521, 557, 562, 575, 579, 

 597 

 Echidna acnlmta, 493, 519, 571, 578, 579 

 Echidna hystrix, 491 

 l'x;tociineiforni, 458 — See Llmb-sketeton 

 Kcto-ethmoids, of Craniata, 79*, 80— See 



Skull 

 Kctopterygoid, 318, 319 

 Edentata, 479*, 524-530, 557, 564, 575, 



584, 598, 604 

 EdestoHaurus, 377 

 Eels, 196, 220, 224, 227, 229, 237, 2.39, 



241, 242, 243 

 Efferent branchial arteries of Amphioxus, 



■ 51 — See Vascular system, 92 

 Efts, 293, 296 

 Egg — See Development 

 Egg-shell, of Dog-fish, 166 : of Klasmo- 

 branchs, 181 : Holocephali, 196 : Rep- 

 tiles, 368 : Bird-s, 435 : Prototlieria. 

 587 

 Ehrenberg, 682, 686 

 Elfeoblast, 41* 



Elasmobranclili, 66, 144 : Example, 144 : 

 Distinctive characters an() classifica- 

 tion, 1^6 : External characters, 170 : 

 Integument, 171 : Skeleton, 172 : 

 Muscles, 176 : Electric organs, 176 : 

 Luminous organs, 177 : Digestive 

 system, 177 : Respiiatory organs, 178 : 

 Blood system, 178 : Brain, 178 : Organs 

 of sense, 179 : Urinogenital organs, 

 180 : Development, 182 : Ethology and 

 distribution, 187 

 Elastin, 151* 

 Electric Cat-fish, 233 

 Electric Eel, 233 

 Electric lobe, 176, 179 

 Electric organs, 176, 233 

 Electric rays, 170, 177, 179 

 Elephant, African. 640, 567 

 Elephants, 483, 490, 505, 558. 567, .599 

 Elephas, 483 



Elephas ajricaniis, 540, 567 

 Elevator muscles, 276 

 Elimination, 654 

 Bnibryological evidence of evolution, 644 



Embryonal knot, 587* 



Embryonic membranes, of Bird, 440, 



441 

 Embryonic rim, 182* 

 Embryonic shield, 363', 437 

 Empedocles, 676 



Emus, 410, 421, 423, 425, 4.30, 432, 442 

 Emys eiiropcea, 351, 354, 357 

 Enamel, 85, 86 

 Enamel membrane, .558 

 Enamel organ, 86*, 558 

 Enamel pulp, 559 

 Encephaloertle, 49, 53 

 Endemic, 622* 



Endochondral ossification. 78* 

 End-buds, 106 

 Endolymph, 115* 

 Endolymphatic duct, 115* 

 Endoskeleton— See Skeleton 

 Endostyle, of Tornaria, 9 : Ascidia, 



17, 19 : AppencUcnlaria, 24 : Dolialum, 



27 : of Amphioxus, 46. 48. 62, 63 



Ascidian larva, 37, 38 

 Engctus, 622 



Entepicondylar foramen, 528* 

 Enteric canal— See Digestive Organs 

 Enteroco4e. t)f Amphioxnn, 59 

 Enteropneu«t()r, 2*, 3, 4, 5, 6, 7, 8, 9 

 Entocuneiforft, 458 — See Limb-skeleton 

 Entoplastron, 346* 

 Eocene, 640 

 Eo/herinm, 640 

 Eoz/jon canadenne, 63M 

 Epencephalon, 100 

 Ependyme, 102* 



Epi-branchial, of Craniata, 77. 78* 

 Epiboly, 136*, 216, 290 

 Epicentrals, 229* 

 Ep'icoele, 100, 179 



Epicoracoid, 272 : Prototheria, 520 

 Ejncriiim, 293 

 Epidermis, of Amphioxus, 46 ; Craniata, 



69 

 Ejiididymis, 165, .3.32, 474 

 Epigastric vein, 326 

 Epiglottis, o{ Rabbit, 460 : Mammalia, 



,576 

 Epiglottis, intra-narial, 576 

 Epir/onichlhyf, 44 

 Epi-hyal, of Craniata, 77, 78*, 207 

 Epineurals, 229* 

 Epi-otic, of Craniata, 79*, 80 

 Epipharyngeal groove, Amphioxus, 48 

 Epiphyses, of Craniata, 84* : Rabbit, 



447 : Mammals, 510 

 Epiphysis, (cerebri), of Craniata, 102* 

 Epiplastron, 347* 

 Epipleurals, 229* 

 Epipterygoid, 318, 319, 347 

 Epi-pubic bones, 521*, 524 

 Epipubic process, 176 

 Epi-pubis, 304, 322 : Birds, 432 



