948 



INDEX 



Enterocoelic, 559. 



Enteron = grut, 558. 



Enteropneusta, 7, 489. 



Entoconcha, 476. 



Entomostraca, 339. 



Entoprocta, 286. 



Entovalva, 481. 



Enviroainental modifications, 910. 



Enzymes, 26. 



Eolis, 474. 



Eoperipatus, 366. 



Eosentomon, 408. 



EpanorthidiB, 841. 



Epeira, 421, 422. 



Ephemerid, young, 387. 



Ephemeridae, 384, 394, 407. 



Ephyra, 189. 



Epi- or hypo-dermis, 388, 402. 



Epiblast = Ectoderm, 46, 81. 



Epibole, 81. 



Epicoracoid, 793. 



Epidermis of Vertebrates, 532. 



Epididymis of rabbit, 810. 



— • of skate, 606. 



Epiglottis, 800. 



Epimeron (crayfish), 325. 



Epiphragra of snail, 438. 



Epiphyses, 778. 



Epiphysis = Pineal body, 540. 



Epipodite of crayfish, 331. 



Epipterygoid, 711. 



Epipubic bones, 712. 



Epistemum, 697, 711. 



Epistoma fcrayfish), 325. 



Epitheca of coral, 197. 



Epithelial movement, 30. 



— tissue, 47. 

 EquidcB, 854. 

 Equus, 854, 856. 

 Erepsin, 31. 

 Erinaceus, 874, 876. 

 Errantia, 266. 

 Eruciform, 400. 

 Erythrocytes, 803. 

 Esocidae, 641. 

 Estheria, 353. 

 Ethiopian region, 905. 

 Eucarida, 352. 

 Euchlora, 172. 

 Eucyrtidium, 133. 

 Euglena, 133. 

 Eulamellibranchia, 480. 

 Eulima, 470, 476. 

 Eumalacostraca, 350. 

 Eupagurus, 209, 353. 

 Euphausiacea, 350, 353, 

 Euplectella, 164. 

 Eupomatus, 262. 



— trochosphere of, 263. 

 Eurypterina, 429. 

 Euscorpio, 416. 

 Euspongia, 155, 164. 

 Eustachian tube, 793. 

 Eustrongylus, 240. 

 Eutheria, 2, 820, 843, 

 Euthjrneura, 474. 



Evolution, evidences of, 106. 



— factors in, 908. 



— of sex, 62. 



— summary of theories of, 914. 



— theory of, 908. 

 Exclusive inheritance, 90. 

 Excretion in Animals, 35. 

 Excretory system of Amphioxus, 523. 

 of Anodonta, 453. 



— • — of Arenicola, 262. 



of Balanoglossus, 495. 



of bee, 382. 



of cockroach, 375. 



- — ■ — of crayfish, 332. 



— — of Crustacea, 356. 



of dogfish, 616. 



of earthworm, 251. 



of frog, 669. 



of haddock, 624. 



— - — of Helix, 441. 



of Hirudo, 277. 



of Insects, 393. 



of lizard, 701. 



-of Myxine, 578. 



-of Peripatus, 364. 



• of Petromyzon, 582. 



— — of pigeon, 754. 



of Protozoa, 137. 



of rabbit, 809. 



of scorpion, 414. 



of Sepia, 463. 



— — of skate, 605. 



of Tunicates, 505. 



of Vertebrates, 565. 



development of, 566. 



Exocoetus, 627. 

 Exopodite (crayfish), 322. 

 Exoskeleton of Vertebrates, 532 

 Experimental embryology, 79. 

 Extinct Reptiles, 719, 

 Extinction of types, 10 1. 



Eye, development of, 551. 



— diagram of, 550. 

 Eye-stalk of Crustacea, 322. 

 Eyes of crayfish, 328. 



— of Insects, 389. 



— of pigeon, 747. 



— of Sepia, 460. 



— of snail, 439. 



— of Vertebrata, 551. 



Fabellae, 796. 

 Facial nerve, 54'). 

 Factors, Mendelian, 92, 93. 

 Faeces, 31. 

 Falcon, 731. 

 Fallopian tube, 811. 

 Fangs of Ophidia, 706. 

 Fat, 31, 33. 

 Fatigue, 29. 



Fats, metabolism of, 33. 

 Fatty body, 399. 

 Faunas, 895. 



— evolution of, 901. 

 Feather-star, 9. 

 stars, 10, 310. 



