470 
INDEX TO VOL. I. 
Acteonia, new species of, 403. 
Actinia, new species of, 34. 
^gialitis, new species of, 430. 
Alder, J., on some new British species 
of nudibranchiate mollusca, 189 ; 
on a proposed new order of gastero- 
podous mollusca, 401. 
Alga3, on the mode of formation of 
spores in, 236, 
Alima, new species of, 226. 
Alope, characters of the new genus, 
225. 
Althaea, new species of, 426. 
Amber, on the occurrence of fossil in- 
fusoria in, 397 . 
Amici, Prof. J. B,, on the origin and 
development of the vegetable em- 
bryo, 49. 
Anacharis Alsinastrum, description of, 
81 ; synopsis of the species of, 85. 
Anthonomus, on the British species 
of, 416. 
Anthracite coal, on the fossil vegeta- 
tion of, 157 . 
Anticharis, new species of, 432, 
Antiopa, description of the new genus, 
190. 
Ants, on the habits of some Indian 
species of, 147 ; on the habits of 
some English species of, 240, 
Apalanthe, synopsis of the species of, 
87. 
Aphides, descriptions of, 249, 328, 
443 ; on the migrations of the, 372. 
Aphodius, new species of, 143. 
Araneidea, on certain phaenomena in 
the physiology of the, 173. 
Astacus, new species of, 225. 
Atamisquea, on the genus, 384. 
Athalamia, characters of the new 
genus, 375 . 
Athyreus, new species of, 386. 
Aulacoseira, characters of the new 
genus, I 67 . 
Babington, C. C., on Anacharis Alsi- 
nastrum, 81 ; on Sagina ciliata and 
Carex brizoides, 153. 
Baird, Dr. W,, on the genus Cypri- 
dina, 21 ; on Caligus Stromii, 396. 
Balfour, Dr., account of a botanical 
excursion to Braemar, Clova, and 
Ben Lawyers, 315. 
Basilosaurus, observations on, 246. 
Belemnites, observations on some, 
388. 
Benson, W. H., on the genus Ptero- 
cyclos, 345. 
Birds, observations on some Indian, 
454. 
Blackwall, J., on the physiology of 
the Araneidea, 173. 
Blyth, E., on some East Indian mam- 
malia and birds, 454. 
Books, new: — Sir R. H. Schom- 
burgk’s History of Barbados, 67 ; 
Broderip’s Zoological Recreations, 
71 ; Rainey’s Experimental Inquiry 
into the Cause of the Ascent and 
Descent of the Sap, 73; Daly ell’s 
Rare and Remarkable Animals of 
Scotland, 132, 311; Messrs. Gre- 
nier and Godron’s Flore de France, 
374 ; Gray’s Manual of the Botany 
of the Northern United States, 374; 
Koninck’s Monograph of the genera 
Productus and Chonetes, 457 ; 
Pfeiffer’s Monographia Pleliceorum 
viventium, 459. 
Botanical Society of Edinburgh, pro- 
ceedings of the, 236, 315, 464. 
Botiytis, new species of, 467- 
Boys, Capt., on the habits of some 
Indian species of ants and other 
insects, 147- 
Brachiolites, characters of the genus, 
352. 
Broderip’s, W. J., Zoological Recrea- 
tions, noticed, 71- 
Brown, R., on an undescribed fossil 
fruit, 376 . 
Bulimus, on the habits and geogra- 
phical distribution of, 270. 
Caladium distillatorium, obseiwations 
on, 188. 
Calandra, new species of, 107. 
Caligus Stromii, description of, 396. 
Campylodiscus, new British species 
of, 321. 
