INDEX AND GLOSSARY 



359 



Drone fly, 48. 

 Drones, 52, 55. 

 Duck bill, 261. 

 Duck mole, 261, 262. 



Eagles, 248, 249, 252, 257. 

 Ear, 199, 307, 308. 

 Earthworms, 152-154. 

 Echid'na, 262, 263. 

 Echinoidae, 165. 



Echinoder'mata ( Gr. echinos, 

 hedgehog, and derma, skin), 

 25, 161-167. 

 Economic zoology, 12. 

 Ec'toderm (Gr. ectos, outside, and 



derma, skin), 168. 

 Ectopisteus migratorius, 338. 

 Edenta'ta, 27. 

 Eel, electric, 312. 



lamprey, 185. 



mud, 204. 

 Eggs, 293-296. 



of amblystoma, 203. 



of birds, 234. 



of Lepidoptera, 90. 



of moth, 297. 

 Egret, 255. 



ElaVmobran'chii, 185, 187-189. 

 Elater'idse, 113. 

 Electric eel, 312. 

 Electric fish, 189. 

 Elephant, 268, 269, 272. 

 Elk, 267, 269. 



El'ytra, pleural of el'ytron. 

 El'ytron (Gr. elytron, case), the 

 thickened anterior wings of 

 beetles and some other insects. 

 Em'bryo, 294, 303. 

 Encysted, 182. 



Ephemer'ida(Gr. ephemeras, last- 

 ing a day), 26, 117. 

 En'doderm, 168. 

 English sparrow, 237, 294. 

 EntomSs'traca, 299. 



Equipment, 14. 



Evolution of animals, 342-354. 



Eye of cat, 288. 



fish, 198. 



insects, 120. 



locust, 34. 

 Eyes, 308, 310. 



Fall web worm, 64. 



Families, 28. 



Feeling in animals, 303-306. 



Fel'idae, 276. 



Fertilization, 172. 



Fiddler crabs, 137. 



Fig culture, 24. 



insect, 61. 

 Filaria, 325. 

 Finches, 236. 

 Firefly, 112. 

 Fish, 185-199. 

 Fish, characteristics of, 196. 



hearing in, 307. 



lice, 333. 



products, value of, 341. 

 Fission, 179. 

 Flatfish, 194. 



Flatworms, 157-161, 326, 327. 

 Fleas, 61, 329. 

 Flicker, 246, 250. 

 Flies, 24, 39-51. 

 Flounders, 194, 195. 

 Flycatchers, 230-232. 

 Flying fish, 192. 

 Flying foxes, 273. 

 Food of nestling birds, 24. 

 Forest tent caterpillar, 78, 81. 

 Forest snail, 148 

 Forests, insects affecting, 24. 

 For m&l'de hyde, 18. 

 Formaline, 18. 



Forelimbs of vertebrates, 354. 

 Fossil animals, 225, 345-350. 



birds, 227. 

 mammals, 265- 



