456 



flO «IIOi 



" aooacj/ 



INDEX TO VOL. IV. 



J 



ACHATINA, new species of, 148. 

 Acnistus, observations on the genus, 

 with descriptions of new species, 31 . 

 Adams, A., on anew genus of acepha- 

 lous mollusca, 371. 



Alcippe, characters of the new genus, 

 313. 



Alder, J., on the animal of Kellia ru- 

 bra, 48 ; on the branchial currents 

 of the bivalve mollusca, 242. 



Algiers, botanical productions of the 

 kingdom of, 426. 



Alopecophis, characters of the genus, 

 247. 



Ammonicolax longimanus, notice re- 

 specting, 171. 



Ampyx, new species of, 410. 



Animals, mode of progression with, 

 75. 



Anthophorabia, on the identification of 

 the parasitic genus of insects, 122, 

 278. 



Aphides, descriptions of British, 41, 

 195. 



Araneidea, experiments and observa- 

 tions on the poison of the, 275. 



Archaeocarabus, description of the ge- 

 nus, 173. 



Archaeoniscus, new species of, 392. 



Arlidge, J. T., on some of the phases 

 of development of the Trichodina 

 pediculus (?), 269. 



Atriplex, remarks on the genus, 282. 



Aurochs, anatomy of the, 288. 



Ball, J., on Odontites rubra and the 

 allied forms, with notice of a new 

 species, 28. 



Bambusa arundinacea, remarks on the 

 growth of, 120. 



Barnacle, on the occurrence of a bur- 

 rowing, on the British coast, 314. 



Barrandia, descripiton of the new ge- 

 nus, 409. 



Basinotopus, description of the new 

 genus, 167. 



Benson, W. H., on four new species 

 of Pupa, 125 ; on the characters of 

 Diplommatina, a new genus of mol- 

 lusks, 193. 



Birds, on the habits of some British, 

 18; descriptions of new, 75, 225. 



Bison, account of the, 415. 



Blackwall, J., on the habits of some 



British birds, 18; on the poison of 



animals of the order Ai-aneidea, 275. 



Bone, on the development of the 



Purkinjean corpuscle in, 74. 

 Books, new : — Henfrey's Rudiments of 

 Botany, 274 ; M. Boucher de Per- 

 thes, Antiquites Celtiques et Ante- 

 diluviennes, 363; Dr. Schleiden's 

 Principles of Scientific Botany, 442. 

 Bos, new species of, 349. 

 Botanical Society of Edinburgh, pro- 

 ceedings of the, 202, 449. 

 Boucher de Perthes. M., Antiquites 

 Celtiques et Antediluviennes, notice 

 of, 363. 

 Boulbene, M., on the nature of the 

 pulverulent coating of Lixus and 

 other insects, 453. 

 Bovine animals of Scandinavia, ex- 

 tinct and existing, on the, 256, 349, 

 415. 

 Bulimus, new species of, 147. 

 Cacabus, observations on the ffenus, 



252. ^ 



Caecum glabrum and trachea, on the'^ 



animalsof, 180, 183. 

 Cancellaria, new species of, 374. 

 Cancer, new species of, 381. 

 Caprimulgus europaeus, on the habits 



of, 24. 

 Carter, H. J., on the freshwater 



sponges of Bombay, 81. 

 Cartilage, on the intimate structure of, 



156. 

 Carychium, new species of, 193. 

 Caspary, Dr. R., on the eifect of 



iodine upon the nectary, 152. 

 Cassin, J., on some new species of 

 Nyctale and Sycobius, 75 ; on some 

 owls presumed to be undescribed, 

 225. 

 Ceratiocaris, description of the new 



genus, 412. 

 Ceram'us, new species of, 407. 

 Chalcididae, on the anatomy and de- 

 velopment of certain, 277» 286 ; de- 

 scription of a new genus of, 278. 

 Chasmops, description of the new ge- 

 nus, 403. 



