INDEX TO ZOOLOGY. 



[The numbers refer to the top paging of the text.] 



Abacura, 112. 



Abathmodon, 488. 



Abdomen, the, of insects, general 

 structure of. 139, 140. 



Abdominales, 14, 201. 



Abranchia, 96 ; abranchiata, 11. 



Abraxis grossulariata, 180. 



Acalephae, principal animals included 

 among the, 9, 27 ; orders of, 10 ; de- 

 rivation of the word, 27 ; hnniiious- 

 ness of the sea chiefly duo to the, 

 29; the hydrostatic, 30; resemblance 

 between the, and the zoophyta, 31. 



Acalephia, 10. 



Acauiiirchis, 54. 



Aoaraptosoniata, 102. 



Acanthia, 18-^ ; acanthias, 242. 



Acanthizn, 339. 



Acanthocephala, 47. 



Acanthodes, 237; acanthodii, 236. 



Acanthopoda, 154. 



Acimthopteri, 204, 220. 



Acanthopterygia, 202 ; acanthopterv- 

 gii, 14, 201, 217. 



Acmitluiaoina, 189. 



Acanthurus, 228. '• 



Acanthylis pelasgia, 317. 



Acari, 121; acaridae, 122; acarus, 121, 

 122. 



Acasta, 102. 



Acceutorhiie, 339; accentor alpinus, 

 ib. 



Accipiter uisus, fuscus, &c., 307. 



Accipitres, 15, 294, 295 ; accipitrinae, 

 307. 



Acephala, animals included among 

 the, 10 ; orders of, ib. ; a class of the 

 uialacozoa, 52. 



Acephalocyste, 44. 



Aceratheriura, 437. 



Acerina, 222. 



Acetabulifera, 92. 



Acetaliulum mediterraneum, 17. 



Achii'us, 410. 



Achalinoptera, 179. 



Acherontia atropos, 141, 183. 



Acheta, 105; achetidae, ib. 



.Achims mollis, 220. 



Achrochordus javanica, 208. 



Achtheres percanim, lOG. 



Acidalia brumata and viridata, 180. 



Acipenser, 13, 238. 



Acontlas meleagris, 272. 



Acrantus, 276. 



Acridiida', 165 ; acridium cristatum, 

 166. 



Acris, 259. 



Acrobi'-ta, 415. 



.Icrocinus, 161. 



Acrodontes, 277, 278. 



Acronycta rumicis and psi, 180. 



Actinia, 9, 35 ; habits, &c., of the 

 actinise, 34, 35. 



Actinoida, 34 ; actinaria, 35 ; actinida", 

 ib. 



Aculeata, 170. 



Adapis, 440. 



Adephaga, 152.. 



Aepus fulvescens, 142. 



iEschna, 168. 



/Etobatis, 243. 



A gam a, 14, 279. 



Agassiz, author of the most recent 

 mode of determining the relative 

 stations of animals, 3 ; his arrange- 

 ment of the radiata, 25; discovers 

 a nervous ring round the mouth ofj 

 the discophora, 28; extract from, oni 

 the anatomy of the asierias, 40: the 

 culcila of, ib. ; views ol, as to the! 



anatomy of the brachiopoda, 55 ; 

 uonieuclaturo propcjsed by, lor the 

 aj'mature of the hinge in the genus 

 Venus, 57; great utility of the No- 

 menclator Zoologicus of, 74 ; curious 

 analogies pointed out by, among the 

 classes of articulata, 135; lamilics 

 of the lepidoptera according to, 179; 

 classification of fishes according to, 

 202, 203. 



Agathidiida', 154. 



AgelaiucB, 355; agelaius phoeniceus, ib. 



Aglia tau, 181. 



Agnesiobrancliiata, 14. 



Agnotheriura, 488. 



Agrion, 168. 



Ai, the, 410. 



Ailurus, 483. 



Air-bladder, the, of fishes, 198. 



Akodon, 404. 



Akomys, 464. 



Alactaga, 406. 



Alasmodonta, 69. 



Alaudii, 15; A. nrvenis, Sec, 358; 

 alaudiniP, ib. 



Alaus oculatus, 158. 



Albany beef, 238. 



Albatrosses, the, 388. 



Albicore, the, 226. 



Alburnus lucldus, 214. 



Alca impeiiuis, torda, &.C., 387; 

 alcidiP, ib. 



AlcedinidiB, 323 ; alcidininas, 324. 



Alces, 450. 



Alcido ispida, 324. 



Alcyonaria, &c., 36 ; A. ficiforme and 

 palmatuni, 37. 



Alcyonidium, 54 ; a!cyonidul», ib. 



Aldrovandi, a voluminous writer on 

 natural histoi'y, 2. 



Alectrurinas, 344. 



Alligator gar, the, 23.5. 



Alligators, the, 252, 253, 282. 



Alopiadini, 242. 



Alosa vulgaris and sapidissima, 209; 

 A. tyrannus and menhaden, 211. 



Alouattes, 49.''<. 



Alpaca, the 447. 



Alphelnie, 116. 



Aluteres, 2:U. 



Alytes, 2,59 ; A. obstetricans, 255. 



Amaduvat, the, 3.57. 



Ainblyopsis spelaens, 214. 



Aniblypterus, 237. 



Amblyrhynchus, 278. 



Ambystonia, 250, 254. 



Ametabolii, 131. 



Amia, 234 ; amiada», ib. 



Ammocietes, 207. 



Ammonites, 95 ; ammonitida, ib. 



Amniophila sabulosa, 173. 



Amnicola. 83. 



Amteba, 24. 



Ampelida:, 347; ampelis coerulea, cor- 

 tinga, &c., 348. 



Amphacanthus, 228; A. corallinus, 

 229. 



Amphiarctos, 483. 



Amphibia, 201. 



Amphibola avellana, &c., 89, 80 ; am- 

 phibolldiP, 89. 



Amphicyon, 484. 



Amphidesma, 74. 



Amphig(uni9. 419. 



Ampliini'inida', 99. 



Aniphioxidii', 206. 



Am|ihipodii, 12. 113. 



-Ampliiprion, 2JH. 



Ainphisba-na, 275 ; amphisbaenidae, ib. 



Amjjhitherium, 412, 419. 



Amphitrite, 11, 101; amphitritida, 

 101. 



Amphiuma, 2,52. 



Ampullacera, 89; ampullaria, ib.; am- 

 pullarilda% ib. 



Amyxodon, 490. 



.■\nabas scandons, 225. 



Anacanthini, 204. 218, 243. 



Anaconda, the, 269. 



Anaides, 256; A. lugubris, 257. 



Anaplognalliida', 1.56. 



Anarrhichas lupus, 230. 



Anas, 15; A. boschas, strepera, &c., 

 386. 



Anatidac. 383. 



Anatifa, 11, 101. 



Anatina^ 385. 



Anchovy, the, 208. 



.'\ncinina>, 112. 



Anculosa, 83. 



.'Vncylomera, 114. 



Ancylus, 90. 



Andrenida;, 176. 



Andrias scheuchzeri, 253. 



Anentera, the, a sub-division of infuso- 

 ria, 23. 



Angel-fish, the, 228. 



Angler, the, 230. 



Anguilla, 14 ; A. vulgaris, 207. 



Anguinaria, 54. 



.Anguis, 14 ; A. fragilis, 272. 



Animal kingdom, the division of, into 

 vertebrata and evertebrata, 8 ; clas- 

 sification of the orders of, based on 

 the system of Cuvier, 9-15. 



Animals and plants, important afHiil- 

 ties between, 4; cases of doubtful 

 organism, ib. ; ( rgans of breathing 

 and nutrition in, 4, 5 ; propagaiiou 

 of, 5; summary of the phenomena 

 of vegetable life which are also pre- 

 sent in the animal kingdom, 5, 6 ; 

 es.'-ejitial ditTerences between, 6; 

 geographical distribution of, 7 ; in- 

 fluence of man on the distribution 

 of animals, 8. 



Anis, the, 366. 



Anisomera, 193. 



Annelida, 11,96. 



Anobium, 158. 



Anodonta, 69. 



Antema, 456. 



Anolis, 14, 277; A. carolinensis, 276, 

 278. 



AnomiidiB, 61. 



.\nomodon, 473. 



.Anumura, 11.5. 



.Anopheles, 193. 



Anoplotherida", 434 ; anoplotherium, 

 ib. 



Anoplura, 131, 146. 



Anser albifrons. ferus, &c., 384, 385; 

 anseres, 294, 383 ; anserinae, 384. 



Ant, the white; 166 ; the ants, 142, 

 174. 



Ant-eater, the, 404, 405, 406. 



Antecliinus, 417. 



Antelopes, the, 451. 



Antenna", the, of insects, principal 

 forms of, and scientific terms rcler- 

 ring to, 136. 



Anihrenus, 15.5. 



Antllocapra, 451. 



Antilope dorcas, pygmaeus, &c., 451 ; 

 imtilopida>, ib. 



Antipathacca, 36; A. spiralis, ib. 



Anuriv, 145. 



Aodon, 428. 



.Apaloderma narina, 323. 



Apara, 407. 



939 



