INDEX 



Aard-vark, i 136, 137 (illust.); ii4 2 



44- 



Aardwolf, i 87, 91-92 (illust); ii 15- 

 Abdomen 



arachnids, i 386-393 (illust.). 



crustaceans, i 403-423 (illust). 



insects, i 345-381 (illust). 



mammals, i 24-25 (illust), 34, 47. 



Abdominal pore, i 258. 



ribs, i 206. 



Ablepharus pannonicus, i 225. 

 Abomasum, ii 169; iii 490. 

 Abramis brama, i 282. [307. 



Abraxas grossulariata, i 364; ii 

 Abysmal zone, iv 435, 442-448. 

 Acacia sphaerocephala, iv 81. 

 Acanthia lectularia, ii 123. 

 Acanthias vulgaris, i 286; ii 335. 

 Acanthophis antarcticus, iv 339. 

 Acanthopterygii, i 273-276. 

 Acarina, i 387, 393; iv 195-196. 

 Accentor modularis, i 160. 

 Accipiter nisus, i 174. 

 Accipitres, i 152, 173-176- 

 Acetabulum, i 31, 144, 196. 

 Achatina, iv 421. 

 Acherontia atropos, i 363- 

 Achtheres percarum, iv 197 



(illust.). 

 Acipenser Giildenstadti, iv 277. 



huso, iv 277. 



ruthenus, iv 277, 278. 



sturio, i 268; iv 277. 



Acipenseridae. See Sturgeons. 

 Acmsea testudinalis, i 323; ii 395- 

 Aconite, iv 80. [396. 



Acorn - headed Worm, i 300-301 



(illust); ii 306, 390 (illust); iii 7 

 (illust.), 215-216 (illust.), 420-421 

 (illust). 



"Acquired characters", iv 489- 



49>_49 I > 492, 493- 



Acrseids, ii 311, 312-313. [262, 459. 

 Acredula caudata, i 158; iii 261- 



Acridiidse, ii 213 ; iii 379. See also 

 Grasshoppers and Locusts. 



Acridium migratorium, iv 356-357. 



peregrinum, i 382. See Schistocerca 

 peregrina. 



Acrobates pygmaeus, iii 285, 286. 



AcrOCephalUS arundinaceus, iii 458. 



palustris, i 160. 



phragmitis, i 160. 



streperus, i 160; iii 458. 

 Actseon, iii 218 (illust). 



Actinia mesembryanthemum, i 



473! iv. 25. 



Actinophrys, i 496. 

 Actinosphaerium, i 489, 496 (illust); 



iii 6 (illust). 



Actinozoa, i 473-478. See also Sea- 

 Flowers. 



Adams, i 3. 



" Adam's apple ", i 47- [445- 



Adder, i 234 (illust); ii 80, 282; iii 

 AddUCtOr muscles, of Bivalve- 

 Molluscs, i 330-331, 336, 337, 338; 

 ii357; iii 36, 37. 



Adjutants, i 179; ii 69; iii 307, 308. 



.ffigialitiS Cantiana, i 169; ii 286; iii 

 453- 



hiaticula, i 169; ii 286; iv 133. 



Sanctse-Helena^, iv 423. 



.ffigithalus pendulinus, iii 459. 

 .Elurus, iv 429. 

 -ffiolidia, ii ioo. 



^EoliS. See Eolis. 



.ffipyornis, iv 476. 

 -Kpyprymnus rufescens, iii 480. 

 -ffischna grandis, i 376. [408. 



Esthetic Zoology, i 15-16; iv 400- 

 ^Ethalium, i 498; ii 270. 

 Aethurus glirinus, iii 284. [iv 9. 

 Afferent branchial vessels, i 242, 



262, 272. 

 Afferent nerve-fibres, i 51, 52-53; 



AflalO, iii 1 86; iv 327, 364. 



After-shafts, i 142, 188. 

 Agalena, iii 374. 



labyrinthica, ii 130. 



Agamidae, iii 53. 

 Agapornis, iv 391. 

 Aggressive resemblance : 



amphibians, ii 291. 



arachnids, ii 299-300. 



mammals, ii 7-9, 18, 19, 22, 279, 290. 



reptiles, ii 282. 



Aglaophenia, iv 103 (illust). 

 Aglossa, iii 50. 

 Agouta, i 85; ii 33. 

 Agouti, i 133-134. 

 Agricola, Julius, iv 293. 

 Agrion puella, i 376. 



AgriOtes lineatus, ii 211. 



obscurus, ii 211. 



Agriotypus armatus, iv 194-195. 



AgTOtiS exclamationis, i 364 ; iii 401 ; 

 iv. 352. 



segetum, iv 352. 



Aguarachay, ii 17. 

 Air-bladder. See Swim-bladder. 

 Air-cells, i 45; ii 427. 

 Air-chambers, i 103. 

 Air-passages, i 45-46. 



birds, i 147. [429. 



mammals, i 45-46; ii 428 (illust), 



reptiles, i 206. 



513 



Air-sacs and air-spaces, i 45. 



birds, i 147; ii 426; iii 57, 60, 61, 62, 

 63, 132, 297. 



insects, ii 439; iii 312. 



reptiles, iii 309. 



Air-tubes, i 45. 



arachnids, ii 443. 



insects, i 348 ; ii 437~438, 439, 44O- 

 442, 463, 464, 465, 467, 468 ; iii 310, 



myriapods, ii' 43 6, 437. [315. 



peripatus, i 401; ii 434-435. 



Alactaga decumana, iii 195-196. 

 Ala spuria, i 143. 



Alauda arborea, i 156. 



arvensis, i 156; iii 455, 456, 468-469. 

 Albatross, wandering, i 183 (illust.). 



Albatrosses, i 152, 182-183; ii 52, 53. 



Albicore, i 274. 



Albinism, iv 384. 



Albumen, i 33, 151; iii 347. 



Albuminoids, i 33, 37. 



Alburnus lucidus, i 282; ii 449, 450. 



Alca forda, i 184; iii 66. 



impennis, i 184; iii 66. 



Alcedo ispida, i 164; iii 453-454. 

 Alces machlis, 1 112; iii 152. 



AlciOpe, iv 44 (illust). 

 AlCOCk, iv 37, 437. 



Alcyonium digitatum, i 477- 

 Aldrovandia, iv 73. 

 Alectorides, i 152, 170. 

 Alectorooenas, iv 423. 

 Alder-Fly, i 377 (illust); ii 466-467. 

 Algae, ii 193, 195, 197, 198, 268-269, 



271, 273, 295; iv 64-65, 75, 76. 



Alima, iii 368 (illust.), 369. 



Allen, Grant, iv 401. 



Alligator, Chinese, i 210, 211 (illust). 



Mississippiensis, i 210 ; iii 124, 448 ; 

 iv 151-152, 378-379- 



pike-headed or American. See A. 

 Mississippiensis. 



Sinensis, i 211. [50-51. 

 Alligators, i 203, 209-210, 211 ; iii 

 Alligator-Terrapin, ii 72. 

 AUman, iv 281. 

 Allolobophora, iii 228. 



fcetida, iii 361. 



Allurus, iii 361. 



Alopecias vulpes, i 286 ; ii 88. 



Alpaca, i 122; iv 231-232 (illust). 



Alternation of generations, iii 



349-350, 352, 382, 422. 

 Alucita polydactyla, i 366. 

 Alytes obstetricans, iii 440 (illust ). 

 Amalthaea amaebigera, iii 353 

 Ambergris, iv 403. [(illust). 



Amblyornis inornatus, iv 406-407. 

 Amblyrhynchus cristatus, ii 192; 



i" 5, 52- 



