INDEX. 
Ficus elastica, Prof. Meyen on, 425. 
Fishes, on the mode of preparation of, 
157; notice respecting fossil, 237 ; on 
some new genera and species of, 506; 
Scandinavian, 378; from the coast of 
Ireland, 402; of Santa Cruz, 528. 
Flora of Ireland, on early contributions 
to the, 1, 126; of Yorkshire, reviewed, 
215; of Shropshire, reviewed, 217 ; 
Pesthinensis, noticed, 313. 
Flustra Hibernica, description of, 172. 
Forbes, E.,z00-geological considerations on 
the freshwater Mollusca, 241; on Lottia 
pulchella, 316; on the genus Euplo- 
camus, 317 ; on the blood of the Nudi- 
branchia, 317. : 
Fossil fauna of Brazil, 318; fossil fish, 
237 ; shells, 243, 292 ; wood, structure 
of, 312; vegetables, 487 ; insects, 495. 
Fraser, Mr., characters of several new 
species of Humming-birds, 151; of 
some new species of Insessorial birds, 
304. 
Fries and Ekstrom on the fish of Scandi- 
navia, 378. 
Fungi, British, 355. . 
Galathza rugosa, on the development of, 
266. 
Gall, on a singular specimen of, 228. 
Ganymeda, remarks on the genus, 158. 
Garden, Botanical, 393. 
Gardner, G., on the origin and direction 
of the woody fibre in the stems of 
Palms, 57. 
Generation in plants, phenomena of, 426. 
Geological considerations on the fresh- 
water Mollusca, 241. 
Geological Society, proceedings of the, 62, 
386, 484. 
Gilbert, D., notice of the late, 231. 
Glaciers, effects of, 392, 396; traces of, 
in Scotland, 396; former, in Great 
Britain, 501; effects of, 503; of Swit- 
zerland, 504. 
Goodsir, J., on Elephants’ tusks, 519. 
Gould’s Birds of Australia, noticed, 471. 
Goshawk, on the habits of the, 74. 
Gray, J. E., on the genus Pupina, 77 ; 
on the Byssus of Unio, 78; on the his- 
tory of Mollusca, 156; on the genus 
Brocchia, 157 ; on the sexes of Limpets, 
157; on the genus Ganymeda, 158; 
on the Epiphragma of Achatina, 159 ; 
_synopsis of the genera and species of 
the class Hypostoma, 175, 275; on Ca- 
rinaria vitrea, 239; on the animal of 
Hyria, 316; on some new land shells 
from New Zealand, 317. 
Gray, G. R., on a species of Warbler new 
to Britain, 155; on a supposed new 
species of Tanysiptera, 237; ‘ Genera 
of Birds,’ H. E. Strickland on, 410. 
533 
Guiana, Mr, Schomburgk’s expedition to, 
468. 
Gulliver, G., on the ova of Distoma hepa- 
ticum, and on corpuscles of the Cys- 
ticerus, 507; on blood corpuscles, 514. 
Gurney, J. J., on the West Indies, 527. 
Gutch, Mr., on the Hoopoe and Little Stint, 
236; Aquilegia vulgaris, 396, 
Gymnoscheenus, new genus of plants, 47. 
Hairs, on the structure of, in certain 
plants, 257. 
Halichzrus griseus, on, 462. 
Hanley, S., on Irish Mollusca, 395. 
Harcourt, Rev. V., on some animalcules 
found at Nuneham, 311. 
Hare, Irish, notice respecting the, 292. 
Hassall, A. H., catalogue of Irish Zoo- 
phytes, 166, 236. 
Hawkshaw, J., on fossil trees, 386. 
Helix, on two new species of, 317. 
Helothrix, new species of, 45. 
Hemicosmites pyriformis, remarks on, 14. 
Henderson, J., on the structure of the 
stigma in Menyanthes and Diplacus, 
51; on the reproductive organs of 
Equisetum, 235. 
Henslow, Prof., on the diseases of Wheat, 
379. 
Hincks, Rev. T. D., on early contribu- 
tions to the Flora of Ireland, 1, 126. 
Hogg, J., on the river Sponge Insect, 315. 
Hoopoe, notice respecting the, 159, 236. 
Hope, Rev. F. W., on some mummied 
beetles, 482 ; on new insects collected 
in Assam, 299. 
Hore Zoologice, Sir W. Jardine’s, 321. 
Houtou, account of, 324. 
Humming-birds, characters of several new 
species of, 151. 
Hyacinth and Columbine, on a white va- 
riety of, 72. 
HyasAraneus, on the development of, 267. 
Hydrachne, occurrence of,in sea-water,98. 
Hygrocrocis, Prof. Crivelli on, 398. 
Hylobates leucogenys, notice respecting, 
303. 
Hypericum linearifolium, discovery of, in 
England, 76. 
Hypostoma, synopsis of the genera and 
species of, 175, 275. 
Hyria, on the animal of, 316. 
Ichnology, 495. 
Ichthyolites, Dr. Malcolmson and Mr. 
Williamson on, 494, 495. 
Ichthyosaurus, on the shape of the hind- 
fin of, 62. 
Icones Fungorum, noticed, 145. 
Infusoria, occurrence of, in rock-salt, 76 ; 
in plants, 344. 
Insects, carabideous, descriptions of se- 
veral new, 254; from Assam, 299; 
monstrosities, 483. _ 
