706 



INDEX 



E, 



E 



UOLES, 41G, 428, 43fi 

 Eagle-iays, 177 



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

 Myxine, 141 : Dog-fisli, lO.S : Elasmo- 

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

 284,286: Li?arfl, 381, 332: Reptilia, 

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

 Rabbit, 453, 472 : Mammals. 581, 582 

 Eared Seals, 484, 506, 599 

 Earless Seals, 484 — See Phocida' 

 Ecdysis, 342 

 Erheneis, 226 



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

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

 597 

 Echidna acnlea/a, 493, 519, 571, 578. 579 

 Echidna hysfri.r, 491 

 J<'.(;tocuneiform, 458^See Limb-sketeton 

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



Skull 

 Ectopterygoid, 318, 319 

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



584, 598, 604 

 EdeMo-viurn^, 377 

 Eels, 196, 220, 224, 227, 229, 237, 239, 



241, 242, 243 

 Efferent branchial arteries of Amphioxus, 



51 — See Vascular system, 92 

 Efts, 293, 296 

 Egg — See Development 

 Egg-shell, of Dogfish. 166 : of Elasmo- 

 branchs, 181 : Holocephali, 196 : Rep- 

 tiles, 368 : Birds, 435 : Prototheria. 

 587 

 Ehrenberg, 682, 686 

 El ooblast, 41* 



Elasmobrauchii, 66, 144 : Example, 144 : 

 Distinctive characters and classifica- 

 tion, 166 : External characters, 170 : 

 Integument, 171: Skeleton, 172: 

 Muscles. 176 : Electric organs, 176 : 

 Luminous organs, 177 : Digestive 

 system, 177 : Respiratory organs, 178 : 

 Blood system, 178 : Brain, 178 : Organs 

 of sense, 179 : Urinogenital organs, 

 180: Development, 182: Etholo.crv and 

 distribution, 187 

 Elastin, 151* 

 l^ilectric Cat-fish, 233 

 l':iectric Eel, 233 

 l-'lectric lobe, 176, 179 

 Electric organs, 176, 233 

 Electric ra\-s, 170, 177, 179 

 Elephant, African. 540, 567 

 Elephants, 483, 490, 505. 658. 567, 599^ 

 El^phus, 483 



Elfphax africannx, 540. 567 

 Elevator muscles, 276 

 Elimination, 654 

 Enil)ryoli>gical evidence of evolution, 644 



Embryonal knot, 587* 



Embryonic membranes, of Bird, 440, 



441 

 Kmbryonic rim, 182* 

 Embryonic shield, 363' , 437 

 iMupedocles, 675 



Emus, 410, 421, 423. 425. 430, 4:^2, 442 

 Emyii ciirop<i-(t, 351. 354, 357 

 Enamel, 85, 86 

 Enamel membrane. 558 

 Enamel organ, 86*, 558 

 Enamel pulp, 559 

 Encephalocule, 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: Apjjfvdicidaria, 24: Do/lohini, 

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

 Ascidian larva, 37, 38 

 Enfj(vv--<, 622 



Entepicondylar foramen, 528* 

 Enteric canal— See Digestive Organs 

 Enterocdde. of Amphioxus, 59 

 Enteropneusta, 2*, 3, 4, 5, 6, 7, 8. 9 

 Entocuneiform, 458 — See Limb-skeleton 

 Entoplastron, 346* 

 Eocene, 640 

 Eoihtrinm, 640 

 Eoziion canadi)(f<t, 638 

 Epencephalon, 100 

 Ependjine, 102* 



Epi-branchial, of Craniata. 77. 78* 

 Epiboly, 136% 216, 290 

 Epicentrals, 229* 



Epicale, 100, 179 



Epicoiacoid, 272 : Prototheria, 520 

 Epicrimn, 293 



Epidermis, oi Amphioxux, 46 : Crani ^a, 

 69 



Epididymis, 165, 332, 474 



Epigastric vein, 326 



Epiglottis, of Rabbit, 460: Mammalia, 

 576 



Epiglottis, intra-narial. 57(> 



Epiijonichthyf, 44 



Epi-hyal, of Craniata, 77, 78''', 2<i7 



Epineurals, 229' 



■•'pi-otic, of (Jraniata, 79 ', 80 



Kpiphar} ngeal groove, Amphicxus, 48 



Epiphyses, of Craniata, 84* : Rabbit. 

 447 : Mammals, 510 



Epiph3'sis, (cerebri), of Craniata, 102* 



Epiplastron, 347* 



Epipleurals, 229* 



l-'-pipterygoid. 318, 319. 347 



Epi-pubic bones, 521*, 524 



Epipubic process. 176 



Epi -pubis, 304, 322: Birds, 432 



