456 
INDEX to VOL. IV. 
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 mollusea, 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. 
Archzocarabus, description of the ge- 
nus, 173. 
Archeoniscus, new species of, 392. 
Arlidge, J. T., on some of the phases 
of development of the Trichodina 
pediculus (7), 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 Araneidea, 275. 
Bone, on the development of the 
Purkinjean corpuscle in, 74. 
Books, new :—Henfrey’s Rudiments of 
Botany, 274; M. Boucher de Per- 
thes, Antiquités Celtiques et Anté- 
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., Antiquités 
Celtiques et Antédiluviennes, notice 
of, 363. 
Boulbéne, 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. 
aes observations on the genus, 
252. 
Cecum glabrum and trachea, on the 
animals of, 180, 183. 
Cancellaria, new species of, 374. 
Cancer, new species of, 381. 
Caprimulgus europzus, 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 effect of 
iodine upon the nectary, 152. 
Cassin, J., on some new species of 
Nyctale and Sycobius, 75 ; on some 
owls presumed to be undescribed, 
DIS. 
Ceratiocaris, description of the new 
genus, 412. y 
Ceraurus, new species of, 407. 
Chalcididee, 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. 
