INDEX TO ZOOLOGY. 



Apatiira iris, 184. 



Apes, the, 4U6. 



Aphodiida', 156, 157. 



Aphrodite, 11, 99 ; aphroditidie, 99. 



Aphrophora, 186. 



Apidie, 176 ; apis mellifica, ib. 



Aplacentalia, 400. 



Aplodontia, 468; A. leporina, 469. 



Aplvsia, 80; aplvsiida;, ib. 



ApodcsH. eoi/sis. 



Apodidtp, 109. 



Aporobrancliia. or pycuogonum, 120. 



Aporomera, 276. 



Apple worm, the, 180. 



Aprosteniia, l.i7, 158. 



Aptenodytes patagonica, 388. 



Apterosyna, 174. 



Apterygiute, 377 ; apterjx australis, 

 ib. 



Apus, 109; A. cancriformis, ib. 



Aquilinas, 303 ; aquila chrysaUos, ver- 

 reaiixii, &c., 303, 304. 



Ara araraiina, &c., 362 ; araina;, ib. 



Aracaris, the. 361. 



Araclinida, general characters of the, 

 12, 118, 119; orders of, 12 ; anatomy, 

 mode of life, and method of repro- 

 duction of the, 119; nervous system 

 of the, 120 ; divisible into three 

 sections, ib. 



Arachnoderraa, derivation of the 

 word, and animals included under, 

 27. 



Aranea, 12. 



Area, 67; arcidfe, ib. 



Archibuteo, 303. 



Archifiomys, 4.59. 



Arctia fuliginosa, matronula, &c., 181 ; 

 arctiida>. ib. 



Arctitis, 483. 



Arctocyon primneviis, 484. 



Arctomys marmotta, tnonax, &c., 469. 



Arcys lanceolarius, 129. 



Ardea, 15; A. purpurea, ralloides, &c., 

 380. 



Ardeidoe,379 ; ardeinae, ib. 



Areneidae, 128 ; arcneina>, ib. 



Arenicola, 100 ; arenicolidae, ib. 



Argali,tlie, 453. 



Argas, 124. 



Arges cyclopum, 217. 



Argonaiita, 78, 93. 



Argus giganteus, 372. 



Argynnis, 183, 184. 



Argyroneta, 129. 



Ariciidae, 99. 



Arilus novenarius, 188. 



Arionins, 424. 



Aristotle, the zoological system of, 1, 

 2. 



Arius, 217. 



Armadilloes, the, 406. 



Arnanacus, 428. 



Artamus, 348. 



Artedi, the first to make a scientific 

 classification of fishes, 200, 201. 



Artherais, 74. 



Articulata, the, distinctive features of, 

 8, 9 ; brief summary of the classes 

 included under, 11-13 ; general cha- 

 racters and classification of, 95 ; 

 curious analogies among the classes 

 of, pointed out by Agiissiz, 135. 



Arvicola, 462 ; arvicoliiia, ib. 



Ascalaphus barbarus, 168. 



Ascaridse, 47 ; ascaris lumbricoides, 

 ib. 



Ascidia, 54. 



AsellidcB, 112 ; asellus, ib. 



AsilidtP, 193; asilus, ib. 



Aspergillum, 60. 



Aspic, the, or asp of the ancieuts, 267. 



Aspidobranchia, 81. 



Aspidophorus cataphractus, 223. 



Aspidorhynchus, 234. 



Ass, the, 444. 



Astacida;, &;c., 116; astacus, ib. ; A. 

 pellucidus, 214. 



Asterias, 10, 39, 40; asteridea, 38. 

 Astrieida', 35. 

 Astrea astroites, 35. 

 Astrogonium granulare, 39. 

 Astrophyton, 39. 



Astur palumbarius, atricapillus, &c., 

 307. 



940 



Astynomua, 162. 



Ateles, 495. 



Aleuchus, 157. 



Athene siju, passerinoides, &c., 313, 

 314; athenime, 313. 



Alhericera, 194. 



Atheriua, 225. 



Atherura, 461. 



Atlanta, 78 ; atlantidae, ib. 



Alracheha, 159. 



Atretodera, 253. 



Alypinie, 128. 



Auchenia lama, alpaca, &c., 447. 



Audubon, extract from, on the liightof 

 wild pigeons. 368 ; account of the 

 large white pelican by, 390. 



Audubon and Bachman, description 

 of the musk rat by, 463, 464 ; habits 

 of the squirrels described by, 471. 



Auks, the, 387. 



Aulacodon, 460. 



Aurella, 9; A. aurita, 30, 32. 



Auricula, 91 ; auriculidaN ib. 



Aves chief characteristics and orders 

 of, 14, 15, 290-293 ; classification of, 

 293, 294 ; number of species of, 294. 



Avicoda, 302. 



Avicida, 307. 



Aviculidae, 63. 



Avocets, the, 381. 



Axolotl, the, of Mexico, 251. 



.Aye-aye, the, 492. 



Babblers, the, 343. 



Babiroussa, or bahyrussa, 442. 



Baboons, the, 490. 



Baccilariir, 18; B. paradoxa, 18, 19. 



Bacteria feraorata, 164. 



Badger, the, 483. 



Bagrus, 217. 



Baird, VV., on the luminousness of the 



sea, 29 ; on the discoloration of 



water by the daphni;e, 108. 

 BaUena, 15; B. mysticetus. &c , 421 

 Bala'nida% 420 ; bahenodon, 424 ; ba- 



lipiioptera. 420, 421. 

 Balanus, 11, 102. 

 Bak'arica jiavonina, 379. 

 Balistes, 231; balistinse, ib. 

 Balloon fish, the, 232. 

 Band-fish, the. 228. 

 Barbel, the, 215. 

 Barbets, the, 363. 

 Bnrbus vulgaris. 21.5. 

 Rarn owls, the, 311. 

 Barracuda pike, the, 222. 

 Basiliscus. 14, 278. 

 Basilosaurns, 481. 

 Bass, the (Dtsego, 212 ; the sea, rock, 



red, and black, 221, 224. 

 Bassaris, 487. 



Bat, the, 15; the bats, 47.5-479. 

 Balhyergina, 462; bathyergus capen- 



sis, ib. 

 Batrachia, 14, 249 ; B. urodela anoura, 



&c., 249, 257, 261. 

 Batrachians, the tailed, 250, 251. 

 Balrachoseps, 256. 

 Batrachostomus, 320. 

 Batrachus, 231. 

 Baverbancia, 54. 



Bayley, Prof. J. W., the chief Ameri- 

 can authority upon the infusoria, 



22. 

 Baza, 307. 

 Bddellidffi, 122. 

 Bear, the, 15 ; the bears, 482. 

 Beaver, the, 467. 

 Becards, the, 345. 

 Beche de mer, 42. 

 Bechstein, Dr., description of the 



nightingale by, 336, 337. 

 Bee-eaters, the, 325. 

 Beef-eater, the African, 354. 

 Bees, the, 176, 177. 

 Beetles, the, 141 ; the diamond, 160. 

 BelemnitidiP, 94. 

 Belideus, 415. 

 Bell's History of British Quadrupeds, 



extract from, on the shedding and 



growth of horns, 393, 394; on the 



walrus, 433, 434. 

 Belon, the reviver of natural history in 



modern times, 2. 

 Belone, 217. 

 Belostoma, 187. 



B.Muga, 427. 



Benibecidae, 172; bembex, ib. 



Benturonir, the, 483. 



Bergall, the, 218. 



Beroe, 30. 



Bettongia, 413. 



Bezoar stone, an animal concretion, 

 452. 



Bibio, 193. 



Bill-fish, the, 217. 



Bimana, 15. 



Bipes, 14. 



Birds, chief characteristics and orders 

 of, 14, 15, 2iU)-293 ; classification of, 

 293, 294 ; number of species of, 294 ; 

 oh ief collections of, 295. 



Bison americanus, 453. 



Biltacus, 168. 



Bitterns, the, 380. 



Black bass, the, 221. 



Blackbird, the, 342. 



Blainville, the arachnoderma of, 27; 

 the malactinozoaria of, 31 ; the pa- 

 racephalophora of, 75 ; the cervico- 

 branchia of, 81. 



Blanchard, his division of the neuro- 

 ptera, 166 — of the hymenoptera, 169 

 —of the chahnoptera and achali 

 noptera, 179— of the hemiptera, 184. 



Blapsida', 160. 



Blatta, 163; blattida, ib. 



Bleak, Ihe, 214. 



Blenniidtf, 229, 230 ; blennius, 230. 



Blind fish, the, 214. 



Blind worm, the, 272. 



Blistering flie.^ 159. 



Blue-bird, the, 338. 



Blue-fish, the, 227. 



Blue-perch, the, 218. 



Boa, 14; boa constrictor, 269. 



Boannia hortaria, 180. 



Boatbills, the, 321. 



Bob White, the bird so called, 375. 



Boidw, 263, 268. 



Bombinator igneiis, 259. 



Bomi)ycida!, 181; bombyx mori, ib. 



Bombycilla garrula and cedrorum, 

 318. 



Bombyliidae, 193; bombylius, ib. 



Bombus, 176. 



Bonaparte, Ch. L.. his system of clas- 

 sification of the mammalia, 400, 

 401. 



Bonito, the, 226. 



Booby, the, 391. 



Bopyrida>, 112; bopyrus crangorum, 

 ib. 



Bos, 15; B. americanus, taurus, &c. 

 453-455. 



Bosirichida', 158, 159. 



Bostrichus, 141. 



Bot-flies, 195. 



Botaurus stellaris and minor, 380 



Bothrimonns sturionis, 45. 



Bolhriocephalus, 45. 



Botryllus, 10. 



Botys verticalis, 180. 



BovidcB^JS- 



Bow-fin,^e, 235. 



Brachelytra, 154, 155. 



Brachinus, 140. 



Brachiopoda, 55. 



Brachymeles, 273. 



Brachyrhynchi, 160. 



Brachystopus, 272. 



Brachyura, 117. 



Bradybaies, 256. 



Bradypodidfe, 410. 



Bradvpus, 15; B. didactylus, &c., 410, 



Brahman kilo, the. 305. 



Bramblliig, the, 357. 



Branchiopoda, 12. 107. 



Branchiostegi, 201. 



Branch iostoma, 206. 



Bronchi pus pisciformis, 109. 



Briint, the, 385. 



Bream, the, 221 



Bi'ill, the, 220. 



Brontes prenadilla, 217. 



Brosmius, 219. 



Brvozoa, form and habils of the, 53. 



Bubo virifiiiianus, &c., 312, 313 ; bubo- 

 min», 312. 



Buccinida;, 86; buccinum, ib. 



Bucco macrorhynchus, 323; bucco- 

 uina?, ib. 



