1XDEX. 



707 



Epistome of Polyzon, 142 

 Epistylis, 39 

 Epithelium, 7 



Epizoauthus Araericanus, 79 

 Equus asinus, 605 



caballus, races of, 603 



Lemiomis. 604 



onager, 604 



Eretrnochelys inibricatn, 510 

 Erimyzon oblougum, 443 

 Escharina, 144 

 Estberia Belfragei, 282 

 Eucboue elegans, 174 

 Euplectellum aspergillum, 48 

 Eupomotis aureus, 455 

 Euproops Dana 2 , 302 

 Eupyrgus, 210 

 Eurypauropus, 338 

 Eurystomete, 94 

 Eustrongylus buteonis, 127 



chordeilis, 127 



gigas, 120 



papillosus, 127 

 Evolution, 11 



Existence, struggle for, 673 

 Eye, 640 



dorsal, of Mollusca, 237 



of blind craw-fish, 295 



of Crustacea, 270 



of mollusks, 254 



FASCIOLA HEPATICUM, 108 

 Fauna, 661 



chief zoological, 666 

 Favia, 80 

 Feathers, 523 

 Felis concolor, 617 



domestica, 617 

 Ferae, 614 

 Fer-de-lance, 499 

 Fertilization of egg, 644 

 Fierasfer, 459 

 Filaria hematica, 128 



lentis, 128 



Filaria hematica, medinensis, 

 127 



sanguinis-hominis, 128 

 Fishes, see Pisces. 

 Fishes, anatomy of, 434 



bony, 434 



characters of, 411 



climbing, 457 



development of, 445 



Elasmobranch, 414 



fins of, 411, 428 



ganoid, 425 



lateral line of, 442 



mucous canal of, 442 



respiration of, 442 



sounds produced by, 

 442 



spiracle of, 417 



teeth of, 416, 442 



viviparous, 418, 444 

 Fish-hawk, 548 

 Fish lice, 297 

 Fission in Planarians, 102 

 Flabellum angulare, 80 

 Flagellata, 31, 40 

 Flamingo, 544 

 Flea, 355 



sand, 391, 356 



snow, 344 



water, 279 

 Flounder, 459 

 Fluke- worms, 105 

 Fly, bot, 355 



house, 354, 355 

 Flying-fish, 453 

 Foraminifera, 24, 27 

 Forficula, 344 

 Fossil jelly-fishes, 71 



sea-urchins, 125 



star-fishes, 116 

 Frog, 487 



anatomy of, 470 

 Fuligula vallisueria, 543 

 Fuugia, 82 



