INDEX. 589 
Page 
F 
Fishes observed during Captain Franklin and Dr Richard- 
son's Journey to the Polar Sea, Dr Richardson's account 
of some, 509 — Coregonus albus, 510 — Coregonus Ar- 
tedi, 515 — Hiodon clodalis, - - - 518 
— Mr J. Fotheringham's account of a shower of, sup- 
posed to have fallen in Fifeshire, - ~ 575 
Fleming, Dr John, his description of a new species of 
Plumularia, from the Arctic Expedition, 303 — Account 
of a new British species of Spatangus, - - 287 
Fontinalis squamosa, a variety of it described, - - 204 
Foramen centrale of the Retina, Dr Knox's account of it 
as seen in reptiles, 1 — in Lacerta superciliosa, 4 — L. 
scutata, 6 — L. calotes, 6 — Chameleon, - - 104 
. Forth district, Mr Blackadder, on the superficial strata of 
the, 424 — -Upper district, 425 — Lower district, 426 — 
Clay of this district described, 425 — Peat-mosses, 426 
—.Vegetable remains found in the clay, 427 — Descrip- 
tion of the strata, 428 — Sand and gravel deposits on 
the margin of the carse-clay of the lower district, 429 
— Sands and gravel of the upper district, 432 — Old 
red sandstone of the upper district, 434 — Bones of 
whales discovered in the upper district, - - 437 
Fossil bones of a whale discovered in the district of Mon- 
teith, Mr Drummond's notice regarding, - - 440 
shells, Mr Vaysey's account of some found in the 
Gawilghur Range in India, 289 — Geological nature of 
the Range, 290 — The only remains of animals dis- 
covered in India, have been found in trap rocks, - 296 
- — — tree found at Cullalo, in Fifeshire, - - 574 
= trees found near Harwich, Mr W. Knott's notice of, 
574 — Found in trap rocks in Lanarkshire, Mr J. Baird's 
account of, - - - - 573 
— — trunks and branches found near Coldstream, Mr D. 
Mylne's account of, - - - - 573 
