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. 



Acalephie, principal animals included 

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

 rivation of the word, 27 ; luminous- 

 ness of the sea chiefly due to the, 

 29 ; the hydrostatic, 30 ; resemblance 

 between the, and the zoophyta, 31. 



Acalephia, 10. 



Acamarchis, 54. 



Acjimptosomata, 102. 



Acanthia, 18-< ; acanthias, 242. 



Acanthiza, 339. 



Acanthoccphala, 47. 



Acanthodes, 237 ; acanthodii, 236. 



Acanthopoda, 154. 



Acunthopteri, 204, 220. 



Acanthopterygia, 202 ; acanthoptery- 

 gii, 14, 201, 217. 



Acanthosoma, 189. 



Acanthurus, 228. 



Acanthylis pelasgia, 317. 



Acari, 121 ; acarida;, 122 ; acarus, 121, 

 122. 



Acasta, 102. 



Accentorinae, 339 ; accentor alpinus, 

 ib. 



Accipiter nisus, fuscus, &c., 307. 



Accipitres, 15, 294, 295 ; accipitrinae, 

 307. 



Acephala, animals included among 

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

 malacozoa, 52. 



Acephalocyste, 44. 



Aceratherium, 437. 



Acerina, 222. 



Acetabulifera, 92. 



Acetabulum mediterraneum, 17. 



Achaeus, 410. 



Achalinoptera, 179. 



Acherontia atropos, 141, 183. 



Acheta, 165 ; achetidae, ib. 



Achirus mollis, 220. 



Achrochordus javanica, 268. 



Achtheres percarum, 106. 



Acidalia brumata and viridata, 180. 



Acipenser, 13, 238. 



Acontias meleagris, 272. 



Acrantus, 276. 



AcridiidiB, 165 ; acridium cristatum, 

 166. 



Acris, 259. 



Acrobata, 415. 



Acrocinus, 161. 



Acrodoiites, 277, 278. 



Acronycta rumicis and psi, 180. 



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

 actinicP, 34, 35. 



Actinoida, 34 ; actinaria, 35 ; actinidw, 

 ib. 



Aculeata, 170. 



Adapis, 440. 



Adephaga, 152. 



Aepus fulvescens, 142. 



iEschna, 168. 



.iEtobatis, 243. 



Agama, 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 of 

 the discophora, 28 ; extract from, on 

 the anatomy of the asterias, 40 ; the 

 culcita of, ib. ; views of, as to the 



anatomy of the brachiopoda, 55; 

 nomenclature proposed by, foi' the 

 ai'matuie of tlie 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; families 

 of the le])idoptera according to, 179; 

 classification of fishes according to, 

 202, 203. 



Agathidiidse, 154. 



Agelainae, 355 ; agelaius phoeniceus, ib. 



Aglia tau, 181. 



Agnesiobranchiala, 14. 



Agnotheriuni, 488. 



Agrion, 168. 



Ai, the, 410. 



Ailurus, 483. 



Air-bladder, the, of fishes, 198. 



Akodon, 464. 



Akomys, 464. 



Alactaga, 460. 



Alasinodonta, 69. 



Alauda, 15 ; A. arvenis, &c., 358 ; 

 alaudin*, ib. 



Alaus oculatus, 158. 



Albany beef, 238. 



Albatrosses, the, 388. 



Albicore, the, 220. 



Alburnus lucidus, 214. 



Alca impennis, torda, &c., 387; 

 alcidte, ib. 



Alcedinid;e, 323 ; alcidininae, 324. 



A Ices, 450. 



Alcido ispida, 324. 



Alcyonaria, &c., 30 ; A. flciforme and 

 palmatum, 37. 



.'Mcyonidium, 54; alcyoniduUe, ib. 



Aldrovandi, a voluminous writer on 

 natural history, 2. 



Alectrurina>, 344. 



Alligator gar, the, 235. 



Alligators; the, 252, 253, 282. 



Alopiadini, 242. 



Alosa vulgaris and sapidissima, 209 ; 

 A. tyraiuius and menhaden, 211. 



Alouattes, 495. 



Alpaca, the 447. 



Alpheinae, 116. 



Aluteres, 2:U. 



Alytes, 259 ; A. obstetricans, 255. 



Amaduvat, the, 357. 



Amblyopsis spelaens, 214. 



Amblypteriis, 237. 



Arablyrhynchus, 278. 



Anibystoma, 250, 254. , 



Ametabola, 131. 



.Amia, 234 ; amiadee, ib. 



AmmoccBtes, 207. 



Ammonites, 95 ; ammonitidae, ib. 



Ammophila sabulosa, 173. 



Amnicola. 83. 



Amceba, 24. 



Anipelidse, 347; aropelis coerulea, cor 

 tinga, &c., 348. 



Amphacanthus, 228 ; A. corallinus, 

 229. 



Araphiarctos, 483. 



Amphibia, 201. 



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

 phibolidcP, 89. 



Amphicyon, 484. 



Amphidesma, 74. 



Amphigonus. 419. 



Amphinoraidae, 99. 



Amphioxida", 206. 



Amphipoda, 12. 113. 



.Araphiprion, 228. 



Amphisbasna, 275 ; amphisbaenidae, ib. 



Araphitherium, 412, 419. 



Amphitrite, 11, 101; amphitritida, 

 101. 



Amphiuma, 252. 



Ampullacera, 89 ; ampnllaria, ib. ; am- 

 pullariidic, ib. 



Amyxodon, 490. 



.Anabas scandens, 225. 



Anacanthini, 204. 218, 243. 



Anaconda, the, 269. 



Anaides, 256; A. lugubris, 257. 



Anaplognathida^ 156. 



Auarrhichas lupus, 230. 



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

 386. 



Anatidae. 383. 



Anatifa, 11, 101. 



Analinae, 385. 



Anchovy, the, 208. 



Ancininae, 112. 



Anculosa, 83. 



Ancylomera, 114. 



Ancylus, 90. 



Andrenidfe, 176. 



Andrias scheuchzeri, 253. 



Anenlera, the, a sub-division of infuso- 

 ria, 23. 



Angel-fish, the, 228. 



Angler, the, 230. 



Anguilla, 14 ; A. vulgaris, 207. 



Ani;uinaria, 54. 



Anguis, 14 ; A. fragilis, 272. 



Animal kingdom, the division of, into 

 vertebrata and everlebrata, 8 ; clas- 

 sification of the orders of, based on 

 the system of Cuvier, 9-15. 



.'Animals and plants, important affini- 

 ties between, 4 ; cases of doubtful 

 organism, ib. ; organs of breathing 

 and nutrition in, 4. 5 ; propagation 

 of, 5 ; summary of the phenomena 

 of vegetable life which are also pre- 

 sent in the animal kingdom, 5, 6 ; 

 essential ditferenccs 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. 



Anoema, 456. 



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

 278. 



Anomiidae, 61. 



Anomodon, 473. 



Auomura, 11.5. 



Anopheles, 193. 



Anoplotherids, 434; anoplotherlum, 

 ib. 



Anoplura, 131, 146. 



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

 anseres, 294, 383 ; anserinae, 384. 



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

 174. 



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



Antechinus, 417. 



Antelopes, the, 451. 



Antenuie, the, of insects, principal 

 forms of, and scientific terms rcfer^ 

 ring to, 136. 



Anthrenus, 155. 



Antilocapra, 451. 



Antilope dorcas, pygmaeus, &c., 45L 

 antllopidtC, ib. 



Antipathacea, 36 ; A. spiraUs, ib. 



Auura, 145. 



Aodon. 428. 



Apaloderma narina, 323. 



Apara, 407. 



939 



