648 



INDEX. 



Down of plants, i. 94. 

 Down of birds, i. 572. 

 Draco volans, i. 56, 547. 

 Dragon-fly, i. 310, 351 ; ii. 



487. 

 Dreaming, ii. 536. 

 Dromedary, ii. 223. 

 Duck, ii. 130,405. 

 Duckweed, ii. 589. 

 Dufour (Leon), ii. 209, 313. 

 Dugh, ii. 244, 250, 479, 487, 



491. 

 Dugong, ii. 142, 279, 442. 

 Duhamel, ii. 16, 20. 

 Dumas, ii. 393. 

 Dumeril, i. 400, 590 ; ii. 411. 

 Dumortier, i. 366. 

 Duodenum, ii. 208. 

 Dutrochet, i. 75, 190 ; ii. 314. 

 Dytiscus, i. 29, 311, 333, 336 ; 



ii. 311, 313. 



Eagle, ii. 130. 



Ear, ii. 421. 



Ear-drum, ii. 422. 



Earle, i. 560. 



Earths in plants, ii. 43. 



Earth-worm, (see Lumbricus). 



Echinodermata, i. 199. 



Echinus, i. 203,210; ii. 101, 



119,297, 383. 

 Edwards, ii. 317, 542, 631. 

 Eel, i. 424 ; ii. 307. 

 Egg, ii. 597. 

 Ehrenberg, i. 13, 186, 189; 



ii. 93, 478, 592. 

 Ehrmann, ii. 309. 

 Elaboration, successive, ii. 13. 

 Elastic ligaments, i. 107. 

 Elater, i. 341. 

 Elearine, i. 123. 

 Electric organs, i. 31. 

 Electricity, ii. 350. 

 Elements, organic, ii. 6. 

 Elephant, i. 56, 108, 491, 518 ; 



ii. 141, 154,162, 199, 223, 



392, 504, 559. 



Ellis, i. 150. 



Elytra, analysis of, i. 318, 349. 



Embryo, ii. 595. 



Emu, i. 586. 



Emys, i. 474. 



Enamel of teeth, ii. 150. 



Endogenous plants, i. 83. 



Entomoline, i. 115, 318. 



Entomostraca, ii. 493. 



Entozoa, i. 282; ii. 83, 113, 



235,294, 540, 591. 

 Ephemera, i. 311 ; ii. 241. 

 Epidermis, vegetable, i. 88. 

 Epidermis, animal, i. 112, 113, 



231. 

 Epiphragma, i. 253. 

 Equivocal generation, ii. 591. 

 Equorea, ii. 85. 

 Erato, i. 247. 

 Erect vision, ii. 521. 

 Erpobdella, i. 272 ; ii. 252. 

 Eryx, i. 447. 

 Esox, i. 427. 

 Ethmoid bone, ii. 400 

 Eudora, ii. 91. 

 Euler, ii. 475. 

 Eunice, ii. 480. 

 Euphorbium, ii. 59. 

 Euryale, i. 212. 

 Eustachian tube, ii. 424. 

 Evil from animal warfare, i. 46 ; 



ii. 67. 

 Excretion, ii. 12. 

 Excretion, vegetable, ii. 46, 51 . 

 Exhalation by leaves, ii. 27. 

 Exocetus, i. 547. 

 Exogenous plants, i. 83. 

 Eye, i. 31 ; ii. 460, 587, 589. 

 Eye, formation of, ii. 605. 

 Eye-lids, formation of, ii. 615. 



Fabricius, i. 195. 



Facial angle, ii. 561. 



Fairy rings, ii. 55. 



Fallacies of perception, ii. 514. 



Fangs of serpents, ii. 163. 



Faraday, ii. 524, 



