INDEX 



525 



Ducks {Co7it.) 



— eider- [cont.) 



— — Scandinavian, iv 309. 



— shoveller, i 176. 



Duck-Bill, See Duck-Mole. 



Duck-Mole, or Duck-billed Platy- 

 pus, i 69, 70 (illust.), 143; ii 44, 322; 

 iii 69-70, 475, 477-478; iv 211, 212, 



Duckweeds, iv 95. [481-482. 



Duct:— 



— bile-, i 37. 



— thoracic, i 42. 



Ductless glands, 1 43. 



Dugong, i 102: ii 173-174 (illust.); iii 



81-82, 490; iv 313-314. 

 Dumble-Dor, i 36S. 

 Dunlin, i 169. 

 Duyker-Boks, ii 365-366. 

 Dwellings of Animals (see also 



Nests), i 18; iii 349. 



— annelids, ii 257-25S; iii 358. 



— arachnids, iii 373, 374-377. 



— crustaceans, iii 368-369. 



— echinoderms, iii 355, 356, 357. 



— insects, ii 116; iii 380-381, 390-391, 

 392, 393, 400: iv 109-iro, 111-112, 

 115-117, 120, 122, 124, 125-126. 



— mammals, iii 477-478, 480, 482, 483- 

 485, 491-492, 494; iv 135, 136-140. 



— molluscs, iii 407-411, 414-417, 418. 



— nemertines, iii 419. 



— reptiles, iii 444, 447, 44S. 



— wheel-animalcules, iv 75. 



Dynastes liercules, i 368. 

 Dytiscus marginalis, i 367, 368; ii 



108-109, 439' i'^ 29; iv 16. 



Sagle, fishing-. See Osprey. 



— golden, i 174; iv 61, 369, 370 (illust.). 



— white-tailed, i 174. 

 Eagles, 1 152, 173-175; iv347. 



£ar, i 56, 59; and see Hearing, organs 



of. 

 Ear-capsule, Ii 386-387. 

 Ear-flap, i 57, 81, 98; iii 74; iv 57. 

 "Earlet", i 82. 



Earth-Wolf, i 87, 91-92 (illust.): ii 15. 

 Earthworms, i 431, 467-468; ii 25S- 



259, 328, 444-445; iii 3, 227-230 

 (iiust.), 360-361 ; iv 8-9, 29, 34, 40, 

 98, 329-330- 

 Earwig, i 380-381 (Illust.); ii 250, 359; 

 iii 167, 377-378 (illust.); iv 44, 358. 



"Eating-cells", ii 269. 



Echidna, i 7°: ii^ 43, 44; "' 475; iv 



— acLileata, iii 475-477. [21 1-212. 



Echlnococcus veterinorum, iv 



342-343 (illust.). 

 Echinodermata. See Hedgehog- 

 skinned Animals. 



Echinoidea, i 454- See also Sea- 



Urchins. 



Echinomyia grossa, ii 119. 

 Echinopora gemmacea, I 475 



(Illust.). 

 Echinorhynchidse. See Thorn- 



headed Worms. 



Echtnorhynchus, I 449. 



— gigas, i 449. [iii 92-93. 

 Echinus esculentus, i 456; Ii 412; 

 Echkiroidea (and Echiurus), i 433: 



ii 149-150, 410. 

 Eciton drepanophora, il 105-106. 



— hamata, il 104-106; Iv 120. 



Economic Zoology, 1 15; iv 208-330, 



394-400. 

 Ectoderm, I 467, 468, 470-471, 474, 



484; in 339, 342, 344, 345, 359; iv 6, 

 7, 8, 20, 24, 25, 30, 31, 33, 34, 35, 41, 



Ectoparasite, iv 76. [46, 47. 



Ectosarc, i 492, 493, 



Edentata, i 68, 136; ii 41-42, 178- 



180, 



234, 322, 327, 341-342 ; lu 253- 



257, 482; iv 421, 425, 430, 473-474' 



Edriophthalmata, ii 141-143. 



Eel, common, i 283 (illust.); il 447-448; 

 iii 214, 433-434; iv 128, 274. 



— conger, \ 283; ill 434; iv 32, 274 

 (illust.). 



— electric, ii 86, 87 (illust.). 



— Mediterranean mursena, i 283-284. 

 Eels, i 283-284; Hi 43, 272; iv 274, 235. 



Eel-pout, i 279. 



Eel-Worm, beet, iv 363 (illust.). 



— root-knot, iv 363. 



— stem-, Iv 363. 



Eel- Worms, iv 78; iv 362-363. 

 Efferent branchial vessels or 

 efferent gill arteries, i 242, 262. 

 Efferent nerve-fihres, 151, 52; iv9. 

 Effodientia, Ii 44. 

 Efts, I 246. See also Newts. 

 Egg-hags, iii 363, 373, 374. 



Egg-capsules, iii 378 (illust.), 412 

 (Illust.), 413, 418 (illust.), 424, (illust.). 

 425 (illust.). 



Egg-cells, Iii 335-337, 338, 340, 344, 

 345-347, 352, 353, 414, 47S: iv 84, 85. 



Eggers. See Moths, lappet-. 



Egg-glue, iii 365, 36S. 

 Eggs and Egg - producing or- 

 gans:— 



— amphibians, iii 434, 435 (illust.), 436, 

 437 (Illust.), 438, 439 (Illust.), 440, 441, 



— annelids, ill 358, 360-361. [442. 



— arachnids, ill 373; Iv 196. 



— ascidlans, HI 421, 422. 



— birds, i 151 (illust.), 161, 163, 188, 

 190; ii 285-286 (Illust.); iii 346, 347 

 (illust.), 448, 449, 450, 451-452, 453 

 (Illust.), 454, 455-458 (illust.), 461, 

 462, 464, 465, 466, 471 ; iv 60 (Illust.), 

 186, 187-188, 214, 246, 250. 



— crustaceans, ili 362-363, 364, 365, 

 369; iv 298. 



— fishes, i 264, 284; 111346, 424, 425 

 (illust.), 426-427, 429-430, 432; Iv 

 128, 263, 266, 268, 270, 272, 273, 275, 

 286-287, 450-451. 



^ flat-worms, Iv 185, 201, 202, 204. 



— flukes, i 444. 



— Insects, I 350, 356-357, 358, 361, 372, 

 373, 376. 377, 378: ii 464, 466, 467; 

 iii 378-379, 380, 381, 382, 3S3 (illust.), 

 387, 389, 391, 392,_ 396, 398, 399. 400, 

 402, 403 (illust.); iv 72, no, I n, 115, 

 ri8, 119, 126, 191 (iilust.), 192, 193, 

 194, 253, 254, 351, 354. 



— king-crab, Hi 369. 

 — ■ lancelet, I 294, 



— mammals, i 69; Hi 475, 477, 47S. 



— molluscs, i 314; HI 404, 405-406, 411, 

 412-413 (Illust.), 414, 417-418 (Illust. . 



— myriapods. Hi 371-373. 



— nemertines, Hi 419, 

 — - perlpatus, iii 370. 



— reptiles, i 216; ill 444, 445, 446, 447, 

 448; Iv 214. 



— tape-worms, I 442-443. 



— thread-worms, Iv 206. 



— zoophytes, i 472, 479. 



Egg-sacs, of Cyclops, i 420. 

 "Egg-tooth", of embryo reptiles, iii 

 445, 446 (illust.), 447. 



Eider ducks, i 176. [iv 339. 



Elaps corallinus, i 234; ii 79, 303; 

 Elasipoda, HI 96-97; Iv 447. 

 Elasmobranchii, i 257, 284-290. 



See also Sharks and Rays. 

 Elateridae. See Beetles, click-. 



Elbow-joint, i 30. 

 Electric organs, of fishes, ii 86, 91. 

 Eledone moschata, i 315; Ii 94; HI 

 418. 



Elephant, African, i 103 (Illust.); H 



172; iv 242-243. 



— Indian, i 103; ii 172; iv 241-242, 243, 

 (illust.), 366, 367. 



Elephants, i 68, 102-103: H 171-172, 



321, 349-350; HI 153, 490; iv 212, 



241-243, 334, 373, 394, 395, 424, 472. 



"Elephant "-Shrew, I S3, 84 (Illust.); 



ii 37-38; in 197-198, 246. 

 Elephas Africanus, i 103; H 172; Iv 



242-243. 



— Indicus, i 103; il 172; iv 241-242, 

 243, 366-367. 



— primlgenius, iv 394, 475, 

 Elk. I 112; HI 152. 



— Irish, iv 474 (illust.). 



Elliot, H. W., Iv 305. 

 Elysia viridis, II 292. 

 Elytra (sing. Elytron). 

 - — annelids, i 429: Ii 408. 



— insects. See Wing-covers. 

 Emarginula, H 394. 

 Emheriza clrlus, i 156. 



— citrlnella, i 156. 



— miliaria, I 156. 



— shceniclus, i 156. 



Embryo (and see also Development, 

 Life Histories, &c.):— [(IllLi^r.). 



— amphibians, ili 439 (illust.), 443 



— fishes, iu 425 (illust.), 426 (illust.). 



— lancelet, HI 344-345 (illust.). 



— mammals. Hi 477 (Illust). 



— reptiles, Iu 445, 446 (illust). 



— tape-worms, Iv 205. 



— vertebrates, i 62; ii 381-382 (Illust.), 



— zoophytes, lil 340-341. [420-421. 

 EmbryolOglSt, standpoint of, I 13-14. 

 Embryology. See Development. 



Emeus, i 1S7, 188-1S9; H 354; iH 128, 



130, 449, 450- 

 Empidse, HI 291. 



Empusa muscse, Iv 76, 77. [4.16. 

 Emys orbicularis, 1 218; III 54, 122, 

 Endoderm, I 467, 468, 470-471, 474, 



484, 490; H 272; IH 339, 342, 344-34^: 

 Endoparasite, Iv 76. [iv 6, 



Endosarc, i 492, 493. 

 Endoskeleton :— 



— amphibians, 239, 251-253. 



— birds, i 143-146, 186-187. 



— fishee, I 259-261, 271. 



— mammals, I 25-32, 66-67. [30i' 



— primitive vertebrates, i 295, 298, 290, 



— reptiles, i 193-199, 205-207, 214-2x5, 

 229-230. 



Energy:— 



— actual or kinetic, i 44. 



— potential, I 44. 



Engraulis encrasicholus, iv 265. 

 Enoicyla pusilla, ill 386. 



Entellus Monkey, i 72-73 (iiiii-t.). 

 Entoraostraca, i 410; H 254-256. 



See also Crustacea, lower. 

 Eolis, I 326 (Illust.); ii 306, 357. 



