HISTORY OF THE SOCIETY. 
577 
read a communication from the Rev. Dr John Fleming of 
Flisk, on the Superposition of the Strata on the banks of 
the Tay, and on the occurrence of Scales of vertebrated 
animals in the old red sandstone of that district. —Dr Wal- 
ter Adam then read a paper on the different forms of the 
Human Skull, and illustrated his remarks by the exhibition 
of specimens. — There was then read an account of a new 
species of Arvicola, found in the eastern parts of the middle 
division of Scotland, by Mr William Macgiilivray ; and, 
lastly, an Analysis of the Milk of the Hya-hya tree of De- 
merara, by Professor Christison.— After which the Society 
adjourned for the season, having completed its twenty-third 
session. 
Robert Jameson, Esq, P. in the chair.— The Reverend 1830. 
. ^ . Dec. i: 
Dr Scot of Corstorphine read an essay on the Giants men- 
tioned in the Sacred Writings.— -The Secretary read a com- 
munication from James Wilson, Esq. giving an account of 
the great Ourang-outang of Sumatra, illustrated by figures 
of the hand and foot, of the natural size. — Prof. Jameson 
then gave an account of Dr Gregory's Analysis of the Com- 
pact Ferruginous Marl of the Old Red Sandstone of Salis- 
bury Crags ; and also of the same gentleman's Analysis of 
the Limestone of the Red Burn, near Seafield Tower, in 
Fife, which is magnesian, but only where in contact with 
the trap. The Professor also communicated some details 
in regard to Captain Ross's Expedition, and the splendid 
display of Polar Lights observed in the Shetland Islands 
in the month of November last — A sketch of the magnifi- 
cent Fossil Tree, at present seen m situ in Craigleith 
Quarry, with a cross section of a portion of the stem, ex- 
hibiting very nearly the structure of a coniferous tree, was 
exhibited to the meeting. 
VOL. VI. o o . V . ; 
