INDEX TO ZOOLOGY. 



Apatura iris, 184. 



Apes, the, 496. 

 Aphodiiclffi, 15G, 157. 

 Aphrodite, 11,99; aphrodilida", 99. 

 Aphrophora, 186. 



Apidit, 170; apis mellifica, ib. 



Aplacentalia, 400. 



Aploiiontia, 468; A. leporina, 469. 



Aplvsia, 80 ; aplvsiida?, ib. 



Apodes, 14, 20l,"218. 



Apodidie, 109. 



Aporobranchia. or pycnogonum, 120. 



Aporomera, 270. 

 Apple worm, the, 180, 



Aprosternia, 157, 158. 



Aptenodj-tes patagoiiica, 388. 



ApteroKyna, 174. 



Apterygiuie, 377 ; apteryx australis, 

 ib. 



Apus, 109; A. cancriformis, ib. 



.\quilinap, 303 ; aqiiila clirysa tos, ver- 

 leauxii, &c., 303, 304. 



Ara ararauna, &c., 302 ; arainae, ib. 



Aracaris, the. 361. 



Arachnida, 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. 



Arachnoderma, derivation of the 

 word, and animals included under, 

 27. 



Aranea, 12. 



Area, 67; arcidK, ib. 



Archibuteo, 303. 



,4rchaeoniys, 459. 



Arctia fuliginosa, raatronula, &c., 181 ; 

 arctiidffi, ib. 



Arctilis, 483. 



Arctocyon primfpvus, 484. 



Arctomys marnmtta, monax, &c., 409. 



Arcys lanceolariiis, 129. 



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

 380. 



Ardeidae, 379 ; ardeinae, ib. 



Areneidas, 128 ; areneinae, ib. 



Arenicola, 100; arenicolidse, ib. 



Argali, the, 453. 



Argas, 124. 



Arges cyclopum, 217. 



Argonauta, 78, 93. 



Argus giganteus, 372. 



Argynnis, 183, 184. 



Argyroneta, 129. 



Ariciida?, 99. 



Arilus novenarius, 188. 



Arionius, 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. 



Arthemis, 74. 



Articulala, the, distinctive features of, 

 8, 9 ; brief summary of the classes 

 included under, 11-13 ; general cha- 

 racters and classification of, 95 ; 

 cnrious analogies among the classes 

 of, pointed out by Agassiz, 135. 



Arvicola, 462; arvicolina, ib. 



Ascalaphus barbarus, 168. 



Ascaridae, 47; ascaris lumbricoides, 

 ib. 



Ascidia, 54. 



AsellidaB, 112; asellus, ib. 



Asilidae, 193; asilus, ib. 



Aspergillura, 60. 



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



Aspidobranchia, 81. 



Aspidophorus cataphraetus, 223. 



Aspidorhynchus, 234. 



Ass, the, 444. 



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

 pellucidus, 214. 



Astarte, 75. 



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



Astrasida?, 35. 



Astrea astroites, 35. 



Astrogonium granulare, 39. 



Astrophyton, 39. 



Astur palurabarius, atricapillus, &c., 

 307. 



940 



Astynomus, 162. 



.A teles, 495. 



.Vteuchus, 157. 



Athene siju, passerinoides, &c., 313, 

 314; athenin;e, 313. 



Alhericera, 194. 



Atherina, 225. 



Atherurii, 461. 



,\tlanta, 78 ; atlanlidae, ib. 



Atrachelia, 159, 



Atretodera, 233. 



Alypina;, 128. 



Auchenia lama, alpaca, &c., 447. 



.Audubon, extract from, on the flight of 

 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, 400. 



Aurelia, 9: A. aurita, 30, 32. 



Auricula, 91 ; auriculida', ib. 



Aves chief characteristics and orders 

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

 293, 294 ; number of species of, 294. 



Aviceda, 302. 



Avicida, 307. 



Aviculidie, 03. 



Avocet?, the, 381. 



Axolotl, the, of Mexico, 251, 



.Aye-aye, the, 492. 



Babblers, the, 343. 



Babiroussa, or babyrussa, 442. 



Baboons, the, 490. 



Baccilari;e, 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 daphnia^ 108. 

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

 Bal»nida>, 420 ; balfenodon, 424 ; ba- 



lasnoptera, 420, 421. 

 Balanus, 11, 102. 

 Balearica pavonina, 379. 

 Balistes, 231 ; balistinae, ib. 

 Balloon fish, the, 232. 

 Band-fish, the, 228. 

 Barbel, the, 215. 

 Barbets, the, 363. 

 Barbus vulgaris, 215. 

 Barn owls, the, 311. 

 Barracuda pike, the, 222. 

 Basiliscus, 14, 278. 

 Basilosaurus, 481. 

 Bass, the Otsego, 212 ; the sea, rock, 



I'ed, and black, 221, 224. 

 Bassaris, 487. 



Bat, the, 15; the bats, 475-479. 

 Bathyergina, 462; bathyergus capen- 



sis, ib. 

 Batraohia, 14, 249 ; B. urodela anoura, 



&c., 249, 257, 261. 

 Batrachian-s 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. 

 BddellidsB, 122. 

 Bear, the, 15 ; the bears, 4S2. 

 Beaver, the, 407. 

 Becards, the, 345. 

 Beche de raer, 42. 

 Bechslein, Dr., description of the 



nightingale by, 336, 337. 

 Bee-eaters, the," 325. 

 Beef-eater, the African, 354. 

 Bees, the, 170, 177. 

 Beetles, the, 141 ; the di.amond, 100. 

 Belemnitidif, 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 histoiy in 



modern times, 2. 

 Belone, 217. 

 Belostoma, 187. 



B;Iuga, 427. 



Bembecid<e, 172; bembex, ib. 



Benturong, the, 483. 



Bergall, the, 218. 



Beioe, 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, 290-293 ; classification of, 

 293, 294 ; number of species of, 294 ; 

 chief collections of, 295. 



Bison americanus, 453. 



Bittacus, 168. 



Bitterns, the, 380. 



Black bass, the, 221. 



Blackbird, the, 342. 



Blainville, the arachnoderma of, 27; 

 the malactinozoaria of, 31 ; the pa- 

 I'acephalophora of, 75 ; the cervico- 

 branchia of, 81. 



Blanchard, his division of the neuro- 

 ptera, 100 — of the liymenoptera, 169 

 — of the chalinoptera and achali 

 noptera, 179— of the hemiptera, 184. 



Blapsid*, 160. 



Blatta, 103; blattidae, ib. 



Bleak, the, 214. 



Blenniidce, 229, 230 ; blennius, 230. 



Blind fish, the, 214. 



Blind worm, the, 272. 



Blistering flies, 159. 



Blue-bird, the, 338. 



Blue-fish, the. 227. 



Blue-perch, the, 218. 



Boa, 14; boa constrictor, 269. 



Boarmia hortaria, 180. 



Boatbills, the, 321. 



Bob While, the bird so called, 375. 



Bold*, 203, 208. 



Borabinator ignens, 259. 



Bombycidre, 181 ; bombyx mori, ib. 



Bombycilla gan-ula and cedrorum, 

 348. 



Bombyliidas, 193 ; bombylius, ib. 



Bom bus, 176. 



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

 sification of the mammalia, 400, 

 401. 



Bonilo, the, 220. 



Booby, the, 391. 



Bopyridic, 112; bopyrus crangorum, 

 ib. 



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

 453-455. 



Bostrichid*, 158, 159. 



Bostrichus, 141. 



Bot-flies, 195. 



Botaurus stellaris and minor, 380 



Bothrimonus sturionis, 45. 



Bothriocephalus, 45. 



Botryllus, 10. 



Botys verticalis, 180. 



BovidcB, 15. 



Bow-fin, the, 235. 



Brachelytra, 154, 155. 



Brachinus, 140. 



Brachiopoda, 55. 



Brachymeles, 273. 



Brachyrhynchi, 160. 



Brachystopus, 272. 



Br.achvura, 117. 



Bradybates, 256. 



Bradypodidfe, 410. 



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



Brahman kite, the, 305. " 



Brambling, the, 357. 



Branchiopoda, 12. 107. 



Branch iostegi, 201. 



Branch iostoma, 206. 



Branchipus pisciformis, 109. 



Brant, the, 385. 



Bream, the, 221 



Biill, the, 220. 



Brontes prenadilla, 217. 



Brosinius, 219. 



Bryozoa, form and habits of the, 53. 



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

 mime, 312. 



Buccinidic, 86; buccinum. ib. 



Bucco macrorhynchus, 323; bucco 

 uinae, ib. 



