INDEX TO ZOOLOGY. 



Apatura iris, 184. 



Apes, the, 496. 



AphudiidsB, 150, 157. 



Aphrodite, 11, 99; aphroditidie, 99. 



Aphrophora, 180. 



Apida;, 176; apis nicllifica, ib. 



Aplacentidia, 400. 



Aplodontia, 408; A. leporiiia, 4C9. 



Aplvsia, 811; aplvsiid;e, ib. 



Apodes, 14, 201, 218. 



Apodidce, 109. 



Aporobrancliia, or pyciiogonum, 120. 



Aporomera, 276. 



Apple worm, the, 180. 



Aprosternia. 157, 1.58. 



Aptenodytes patagonica, 388. 



Apterogyiia, 174. 



Apteryguiie, 377 ; aptervx australis, 

 ib. 



Apus, 109; A. cancriformis, ib. 



Aquilin», 303 ; aquila chrysaitos, ver- 

 reauxii, &c., 303, 304. 



Ara araraima, &c., 362 ; arainic, ib. 



Aracaris, the, 361. 



Arachnida, seueral 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; arcida', ib. 



Archibuteo, 303. 



Archaeomys, 459. 



Arctia fuliginosa, nialronula, &c., 181 ; 

 arctiidoB. ib. 



Arctilis, 483. 



.\rctocy(m primsevus, 484. 



Arctoniys marmotta, raona.\, &c., 469. 



Arcys lanceolarius, 129. 



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

 380. 



Ardeidne, 379 ; ardeina?, ib. 



Areneida», 128; areneiniP, ib. 



Arenicola, 100 ; areniColida3, ib. 



Arsali, the, 453. 



Argas, 124. 



.^rges cyclopum. 217. 



Argonauta, 78, 93. 



Argus giganteus, 372. 



Argynnis, 183, 184. 



Argyronel.a, 129. 



Ariciidae, 99. 



,\rilus novennrius, 188. 



Arionius, 424. 



.Aristotle, the zoological system of, 1, 

 2. 



.'irius, 217. 



Armadilloes, the, 406. 



Arnanacus, 428. 



Artamus, 348. 



Arledi, the first to malie a scientific 

 classification of fishes, 200, 201. 



Artheniis, 74. 



Articulala, the, distinctive features of, 

 8, 9 ; brief summary of the classes 

 included under, U-13 ; general cha- 

 racters and cl.assification of, 95 ; 

 curious analogies among the classes 

 of, pointed out by Agassiz, 135. 



Arvicola, 462; arvicolina, ib. 



Ascalaphus barbarus, 16S. 



Ascaridae, 47 ; ascaris lumbricoides, 

 ib. 



Ascidin, 54. 



.AsellidiP, 112 ; asellus, ib. 

 Asilidie. 193; asilus, ib. 



-Aspergillum, 60. 



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



Aspidobranchia, 81. 



-■Vspidophorus cataphractus, 223. 



.■\spidorhynchus, 234. 



.\ss, the, 444. 



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



pellucidus, 214. 

 Astarte, 75. 



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

 Astraeidae, 35. 

 Astrea astroites, 35. 

 Astrogonium granuläre, 39. 

 .\8trophyton, 39. 



Astur palumbarius, atricapillus, &c., 

 307. 



940, 



Astynomua, 102. 



A teles, 495. 



Aleuchus, 157. 



Athene siju, passerinoides, &c., 313, 

 314; atheninaj, 313. 



Athericera, 194. 



.Atherina, 225. 



Alheruni, 401. 



.\tlant!i, 78; atluntid;e, ib. 



.Vtrachelui, 159. 



Atretodera. 2.J3. 



.\typina', 128 



.Auchenia lama, alpaca, &c., 447. 



.Audubon, extract from, on the flight of 

 wild pigeons. 368 ; account of the 

 hirgo white pelican by, 390. 



Audubon and Hachman, description 

 of the musk rat by, 463, 404 ; habits 

 of the squirrels described by, 471. 



Auks, the, 387. 



Aulacodon, 460. 



Aureli!^ 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, 63. 



Avocets, the, 381. 



AxolotI, the, of Mexico, 251. 



Aye-aye, the, 492. 



Babblers, the, 343. 



Habiroussa, or babyrussa, 442. 



Baboons, the. 496. 



HaccilariiP, 18; I?, pav.adoxa, IP, 19. 



Hacleria femor.ita, 164. 



Badger, the, 483. 



Bagrus, 217. 



Baird, VV., on the luminousness of the 



sea, 29 ; on the discohjralion of 



water by llie daijhnia-, 108. 

 BaUena, I'S; B. myslicetus. &.C , 421. 

 Bahi'iiida', 420 ; hal;enodüU, 424 ; ba- 



lienopt.-ra, 420, 421. 

 Balanu?, 11, 102. 

 Balearica pavonina, 379. 

 Balislrs. 231; bali.*lin;e, ib. 

 Balloon lish, the, 232. 

 Band-fish, the, 228. 

 Barbel, the, 215. 

 Barbels, the, 363. 

 Barbus vulgaris, 215. 

 Barn owls, the, 311. 

 Barracuda pike, the, 222. 

 Basiliscus, 14, 278. 

 Basilosaurus, 4f^l. 

 Bass, th<' Otsego, 212 ; the sea, rock, 



red, and black, 221, 224. 

 Bassaris, 487. 



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

 Bathyergina, 462; bathyergus capen- 



sis, ib. 

 Balrachia, 14, 249 ; B. urodela anoura, 



&c., 249, 257, 261. 

 Batrachians, the tailed, 250, 251. 

 Batrachoseps, 256. 

 Batrachostomus, 320. 

 Batrachus, 231. 

 Baverbancia, .54. 



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

 can" authority upon the infusoria. 



22. 

 Ba"a, 307. 

 Bddellida». 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. 

 Belemnilida?, 94. 

 Belidens, 415. 

 Bell's History of British Quadrupeds. 



extract from, on the sliedding and 



growth of horns, 393, 394; on the 



walrus, 433, 434. 

 Belon, the reviver of natural history in 



modern times, 2. 

 Relone, 217. 

 Belostoma, 187. 



B?luga, 427. 



liembecida;, 172; bembex, ib. 



Henturonsf, tlie, 483. 



Bergall, the, 218. 



Beroe, 30. 



Beltongia, 413. 



Bezoar stone, an animal concretion, 



452. 

 Biliio. 193. 

 Bill-fish, the, 217. 

 Bimatia, 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. 

 Bi.son aniericanus, 453. 

 Bittacus, 168. 

 Bitlerns, the, 380. 

 Black bass, the, 221. 

 HIai-kbird, the, 342. 

 Blainville, the arachnoderma of, 27; 



the mal.-u'tinozoaria of, 31 ; the pa- 



racephalophora of, 75 ; the cervico- 



branchia of, 81. 

 Blanchard, his division of the neuro- 



ptera, 166 — of the liymenoptera, 169 



— of the chalinoptera and achali- 



noptera, 179— of the liemiptera, 184. 

 BlapsidiP, 160. 

 Blatta, 163; blattidae, ib. 

 Bliak, the, 214. 



Blenniida', 229, 230 ; blennius, 230. 

 Blind fish, the, 214. 

 Blind worm, the, 272. 

 Blistering Hies, 1.59. 

 Blue-bird, the, .338. 

 Blue-fish, the, 227. 

 Blue-perch, the, 218. 

 Boa. 14; boa constrictor, 269. 

 Boaruiia hortarin, 180. 

 Boatbills, the, 321. 

 Bob While, the bird so called, 375. 

 Bdida', 263, 268. 

 Buinliinator igneus, 2.59. 

 Biinibycida', 181 ; boinbyx mori, ib. 

 Biinihycilla ganula and ccdroruni, 



348. 

 Bombyliidu-, 193 ; bombylius, ib. 

 Bonibus, 176. 

 Bonaparte, ('h. I... his system of chis- 



sification of the mammalia, 400, 



401. 

 Ponito, the, 226. 

 Booby, the, 391. 

 Bopyrida% 112; bopyrus crangorum, 



ib. 

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



453-455. 

 BostrichidiP, 158, 159. 

 Bostrichus, 141. 

 Bot-flies, 195. 



Botaurus stellaris and minor, 380. 

 Bothrimonns stnrionis, 45. 

 Bothriocephalus, 45. 

 Botryllus, 10. 

 Botys verticalis, 180. 

 BovidiP, 15. 

 Bow-fin, the, 235. 

 Brachelytra, 1.54, 155. 

 Brachinus, 140. 

 Brachiopoda, 5.5. 

 Brachymeles, 273. 

 Brachyrhyp.chi, 100. 

 Brachystopus, 272. 

 Brachyura, 117. 

 Bradyl)ates, 256. 

 Bradypodid», 410. 



Bra(lvp\is, 15; B. didactylus, &c., 410. 

 Brahiium kite, the, 305. 

 Bramblinir, the, 357. 

 Braiichiopoda, 12. 107. 

 Branchiostegi. 201. 

 Branch iostoma. 20& 

 Bnuichipus pisciformis, 109. 

 Brant, the, 385. 

 Bream, the, 221 

 Brill, the, 220. 

 Brontes jjrenadilla, 217. 

 Brosmius, 219. 



Bryozoa, form and habits of the, 53. 

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



niina>, 312. 

 Buccinidae, 86 ; buccinum, ib. 

 Bucco macrorhyuchus, 323; bucco- 



ninae. ib. 



