498 



INDEX. 



Aorta, 313. 

 Aplielenchus, 71. 

 Aphididffi, 236. 

 Aphis brassicce, 242. 



11 pruni, 242. 



II rumieis, 238. 

 Apidje, 153. 

 Apion apricans, 142. 

 Apis dorsata, 158. 



II floroe, 159. 



M indica, 159. 



II mellifica, 157. 



II sonata, 159. 

 Appendioularia (larva), 13, 278. 

 Appenzell cattle, 458. 

 Apple-blossom Weevil, 136. 



I, Sawfly, 170. 



II -Sucker, 245. 

 Aptera, 127, 260. 

 A quila chrysaetus, 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 cinerea, 356. 

 Ardese, 355. 

 Area opaca, 412, 415. 



II pellucida, 412, 415. 



II vaaculosa, 428. 

 Areea 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. 

 Amicola agrestis, 470. 

 II amphibia, 471. 

 II arvalis, 471. 

 II glareolus, 471. 

 Arvicolidse, 470. 

 AsoaridsB, 60, 74, 483. 

 Ascaris hrnibricaides, 75, 



■I suilla, 75. 

 Ascidians, 13, 14, 278. 

 Ado accipitrinus, 385. 



II ottis, 385. 

 Asparagus beetle, 135, 486. 

 A^ndiotus cwmellice, 244. 

 II rierii, 244, 



Aspidiotus pemiciosus, 243. 



Ass, the domestic, 441. 



AthSus ha;morrfioidaUs, 142. 



Atlas, of horse, 288. 



Atypus Svleeri, 104. 



Auditory pits, development of, 416. 



Auroch, the, 458. 



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

 ton and anatomy of, 337 ; Briti.sh, 

 353. 



Avocet, the, 378. 



Axis, of horse, 288. 



Axolotl, the, 324. 



Bacon beetle, 146. 

 Badger, the, 462. 

 Salaninws nucum, 141. 

 Balanoglossus, 15. 

 Balantidum coli, 23. 

 Bank Vole, 471. 

 Bam-Owl, the, 385. 

 Bathybius, 4. 

 Bats, 476. 

 Bdellidse, 106. 

 Bean Aphis, 288. 

 Bean seed Weevils, 140. 

 Beasts of prey, 459. 

 Bed-bug, 247. 

 Bedeguar, 172. 

 Bee-louse, 231. 

 II moth, 188. 

 Bees, 151, 156 ; mouth and sting of 



honey-, 160. 

 Beet-carrion beetle, 147. 



II eelworm, 73. 

 Belemnites, 266. 

 Bern cattle, 458. 

 Bemicla brenta, 364. 

 Bibionidse, 203. 

 Bimaua, 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. 

 "lackbird, the, 404. 

 kcap, the, 404. 

 Blackcock, the, 369. 

 Black-fly, 238. 

 Black Rat, 468. 

 Bladder, of horse, 307. 

 Bladder-worms, 49. 

 Blastoderm, the, 408, 413. 

 Blastodermic vesicle, the, 426. 

 Blastopore, the, 426. 



