467 



orii- 



INDEX TO VOL. X\%--;-fp^ 



a ^f} v^ff.t ; 9no 



ACALEPHiE, on the occurrence of an 

 intestinal worm in a species of, 88. 



Accentor, new species of, 204, 



Achatina, new species of, 344. 



Acipenser Huso, notice respecting the 

 capture of, 213. 



Actaeon, on the anatomy of, 145. 



Adolias, new species of, 179. 



iEgus, new species of, 276. 



Agassiz, M., on tlie geological develop- 

 ment of animal life, 355. 



Alcedo Alcyon, on the occurrence of, in 

 Ireland, 430. 



Alder, J., on new genera and species of 

 nudibranchiate mollusca, 124, 311; 

 Monograph of the British Nudibran- 

 chiate Mollusca, reviewed, 252. 



Algae, on the spores of some, 141 ; on 

 mounting minute, for the microscope, 

 351 ; on the existence of tetraspores in 

 a genus of, 428. 



AUman, Prof. G. J., on a monstrosity oc- 

 curring in Saxifraga Geum, 125 ; on 

 the anatomy of Actaeon, with remarks 

 on the order Phlebenterata, 145. 



Amblygnathus, new species of, 22. 



Ammophorus, new species of, 30. 



Amphipeplea, on a new species of, 341. 



Anchonus, new species of, 39. 



Animalculites of certain tertiary and mo- 

 dern deposits, remarks on the, 73. 



Animals, marine, notes on some, 238. 



Annehdes, on the British, 4 ; on the de- 

 velopment of the, 183; index to the 

 British, with descriptions of new spe- 

 cies, 433. 



Apatura, new species of, 178, 



Aphroditaceae, new genera of, 8. 



Aquila naevia, notice respecting the oc- 

 currence of, in Ireland, 351. 



Arctic expedition, account of the, 163. 



Ardea, new species of, 335. 



Argonauta Argo, on the Hectocotylae of 

 the, 414. 



Argyrophenga, characters of the new ge- 

 nus, 307. 



Artamus mentalis, description of, 174. 



Artemis, new species of, 50. 



Asiatic Society, proceedings of the, 137. 



Astur, new species of, 227. 



Athene, new species of, 228. 



Auliskia, characters of the new genus, 



405. 

 Babiugton, C. C, on some species of 



Cuscuta, 1 ; on Ranunculus Lenor- 



mandi, 141. 

 Baeomyces anomalus, observations on, 90. 

 Baily, F., notice of the late, 415. 

 Ball, Mr., on the sounds produced by one 



of the Notonectidae, 129. 

 Barneoud, J. M., on the group Schizope- 



taleae, 66. 

 Bats, new species of, 49. i.y . 



Berkeley, Rev. M. J., on mounting mi* 



nute algae for the microscope, 351. 

 Berkeleya, on the British species of, 1 10, 

 Bettington, A., on certain fossils related 



to the Sivatherium and giraffe, 137. 

 Birds, new genera and species of, 48, 60, 



61, 174, 193, 227, 335; found in the 



vicinity of Tunis and Biserta, list of, 



102. 

 Blood-corpuscle, on the development of 



the, 131. 

 Boisduval, M., on a fossil diurnal lepid « 



pterous insect, 353. 

 Botanical Society of Edinburgh, proceed- 

 ings of the, 139. 

 Botanical travellers, notices respecting, 



113,189,248.329,462. 

 Bowerbank, J. S., on the Spongiadac, 



with descriptions of some new genera, 



400. 

 Brachypteryx, new species of, 228. 

 British Association, proceedings of the, 



123, 

 Brongniart, A., on the organogeny of the 



flower of the Malvaceae, 240. 

 Buch, M. von, on the Cystideae, 213. 

 Bulimus, new species of, 334, 340, 343. 

 Buteo, new species of, 207. 

 ButteiHies, descriptions of new, 176, 232, 



304. 

 Butterfly, fossil, description of a, 353. 

 Calamohei'pe, new species of, 64. 

 Calicium, remarks on some British spe^. 



cies of, 91. 

 Callirhipis, new species of, 209, 

 Cantor, Dr., on tlie foetus of Zvgaena la-! 



ticeps, 372. 



2L2 



