INDEX TO VOL. IV. 



ACANTHIDIUM, a new genus of fish, 



422. 

 iEgilops and Triticuni, notice respecting 



the genera, 214. 

 Agaricus, on some new species of, 219. 

 Agassiz, L., Histoire Naturelle des Pois- 

 sons d'eau douce de l'Europe Centrale, 

 review of, 329. 

 Allium Porrum and A. Arapeloprasum, on 



the distinctive characters of, 290. 

 Alysia, a new genus of fish, 418. 

 Amaryllideae, descriptions of "some new 



species of, 28. 

 Amber, on a new species of Frog found 



in, 215. 

 Animalcules, remarkable diffusion of, 286. 

 Annelida, MacLeav's arrangement of, 



385. 

 Annelides, descriptions of the British, 



368. 

 Anoplophora, description of the genus, 



280. 

 Anser, on a new British species of, 64. 

 Antartic expedition, instructions relative 



to the, 33. 

 Ant-bear, Greater, remarks on the, 202. 

 Antelope, on the habits of the Philan- 



tomba, 207. 

 Aphrodita, new species of, 370. 

 Aptervx Australis, on the habits of the, 



312. 

 Arctibeus, description of some species 



of, 1. 

 Arctium Lappa and Bardana, observa- 

 tions on, 253. 

 Arenicolidae, new species of, 373. 

 Argonaut shell, inhabitant of, 443. 

 Arvicola, on a monograph of, 438. 

 Assam, Mr. Griffith's journey in, 424. 

 Astacus fluviatilis, on the moulting pro- 

 cess in, 141. 

 Astarte incrassata, on the animal of, 297. 

 Babington, Charles C., on Arctium Lappa 

 and Bardana, 253 ; on Cuscuta epi- 

 linum and halophyta, 280 ; on the di- 

 stinctive characters between Allium 

 Porrum and Ampeloprasum, 290. 

 Badger, American, on the dentition of 



the, 52. 

 Baer, K. E. von, description of animal 

 life in Nova Zembla, 145. 



Bark of commerce, on the plants pro- 

 ducing the, 179. 

 Bartlett, A. D., on a new BritishAnser, 64. 

 Bats, on some new Cuban species of, 1. 

 Bauer, Ferd., biographical sketch of, 67. 

 Bear, discovery of fossil teeth of a, in 



Suffolk, 186. 

 Begoniaceae, on the discoid piths of the, 



74. 

 Berkeley, Rev. M. J., on the fructification 

 of Lycoperdon, Phallus, &c, 155 ; de- 

 scriptions of Fungi collected in the ex- 

 pedition of the Beagle, 291. 

 Bertoloni's Flora Italica, notice of, 337. 

 Birds, of Nova Zembla, 153 ; on the 

 distribution of British, 213; notices on 

 some, 267 ; notes on Irish, 284 ; of 

 Guiana, notes on the manners of the, 

 318. 

 Blackwall, J., descriptions of some new 



British spiders, 68. 

 Boston, expedition to, 424. 

 Botanical journey across the Pampas of 

 Buenos Avres to Tucuman, account of 

 a, 8, 96, 171. 

 Botanical Society of Edinburgh, proceed- 

 ings of, 355. 

 Botanical Society of London, proceedings 



of the, 137, 211, 270. 

 Botanical travellers, information respect- 

 ing, 194, 262, 322. 

 Botany of the Islands of New Zealand, 



22, 106, 256. 

 Brignoli, Prof. De, on the excitability of 



Oxalis, 388. 

 British Association, proceedings of, 46, 



135. 

 Bunge's Supplement to Flora Altaica, 



notice of, 338. 

 Cactese, on the structure of the, 238. 

 Callichroma, description of the genus, 



280. 

 Cantharellus, on some new species of, 



250. 

 Cantor, Dr. T., on the Serpents of India, 

 271 ; on Indian fish producing isinglass, 

 399. 

 Carasissi, or Savannah Dog, 430. 

 Carpenter's (W. B.) Principles of General 

 and Comparative Phvsiologv, review 

 of, 111. 



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