498 



INDEX. 



Aorta, 313. 

 Aphdenchu.1, 71. 

 Aphirtidae, 236. 

 Aj^li is brasskce, 242. 



[I pruni, 242. 



If rumicis, 238. 

 Apiilae, 153. 

 Apion apricans, 142. 

 Ajjis dorsata, 158. 



,1 fiorm, 159. 



11 indica, 159. 



,( mellijica, 157. 



II zonata, 159. 

 Appendicularia (larva), 13, 278. 

 Appenzell cattle, 458. 

 Apple-blossom Weevil, 136. 



„ Sawfly, 170. 



,1 -Sucker, 245. 

 Aptera, 127, 260. 

 Aqnila chrysaetiis, 359. 

 Arachnoid, the, 315. 

 Arachnoidea, 97, 101. 

 Araneida, 86, 88, 103. 

 Arch, pectoral, of horse, 291 ; of bird, 



340 ; of mole, 474. 

 Arch, pelvic, of horse, 294 ; of bird, 



341. 

 Archeopteryx, 345. 

 Ardea ciiurea, 356. 

 Ardese, 355. 

 Area opaca, 412, 415. 



„ pellucida, 412, 415. 



ti vasculosa, 428. 

 Areca nut, use of, 482. 

 Arion ater, 270. 

 Armadillo vulgaris, 98. 

 Arsenate of lead, 491. 

 Arsenical washes, 491. 

 Arteries, 311. 

 Arthropoda, 14, 86 ; groups of, 88 ; 



characters of groups of, 97. 

 Artificial manures, effect of, on insects, 



495. 

 Artiodactyla, 440, 445. 

 Arvicola agresiis, 470. 

 I, amphibia, 471. 

 M arvalis, 471. 

 II glareohis, 471. 

 Arvicolidffl, 470. 

 Ascaridas, 60, 74, 483. 

 Ascaris lumhricoides, 75. 



„ suilla, 75. 

 Ascidians, 13, 14, 278. 

 Asio accipitrimis, 3S5. 



II otiis, 385. 

 Asparagus beetle, 135, 486. 

 Aspidiotus camellia', 244. 

 II nerii, 244. 



Aspidiotus pernidosus, 243. 



Ass, the domestic, 441. 



Athous hwmorrhrridalis, 142. 



Atlas, of horse, 288. 



A lypus Sulzeri, 104. 



Auditory pits, development of, 416. 



Auroch, the, 458. 



Aves, 335 ; temperature of, ib.; skele- 

 ton and anatomy of, 337 ; British, 

 353. 



Avocet, the, 378. 



Axis, of horse, 288. 



Axolotl, the, 324. 



Bacon beetle, 146. 

 Badger, the, 462. 

 Balanimis nuaim, 141. 

 Balanoglossus, 15. 

 Balantidnm coli, 23. 

 Bank Vole, 471. 

 Barn-Owl, the, 385. 

 Bathybius, 4. 

 Bats, 476. 

 Bdellidai, 106. 

 Bean Aphis, 238. 

 Bean-seed Weevils, 140. 

 Bea.sts of prey, 459. 

 Bed-bug, 247. 

 Bedeguar, 172. 

 Bee-louse, 231. 

 I, moth, 188. 

 Bees, 151, 156 ; mouth and sting of 



honey-, 160. 

 Beet-carrion beetle, 147. 



It eelworm, 73. 

 Belemnites, 266. 

 Bern cattle, 458. 

 Bemicla brenta, 364. 

 Bibionidffi, 203. 

 Bimana, 437, 478. 

 Bird-lice, 255. 

 Birds, 15, 322, 353 ; skeleton of, 337 ; 



anatomy of, 341 ; classification of, 



345 ; British, 353. 

 Bischoff, Dr (quoted), 453. 

 Bisulphide of carbon, 491, 495. 

 Bitterns, 355. 

 Black Bee, 157. 

 Blackbird, the, 404. 

 Blackcap, the, 404. 

 Blackcock, the, 369. 

 Black-flv, 238. 

 Black Rjit, 468. 

 Bladder, of horse, 307. 

 Bladder-worms, 49. 

 Blastoderm, the, 408, 413. 

 Blastodermic vesicle, the, 426. 

 Blastopore, the, 426. 



