HISTOHY OF THE SOCIETY. 
57S 
Climate at Fort Enterprize, Lat. 64° 28' N., Long. 116" 6' 
W. ; with an Account of the Progress of Spring and Sum- 
mer, at that station, in the year 1821. Dr Greville read 
extracts from, and gave a general account of, the third me- 
moir, by himself and Mr Arnott, on a New Arrangement 
of the Musci. The Secretary then read an Account of a 
New Species of Ornithorynchus (O. crispus), by Mr Mac- 
gillivray ; specimens of this, and the other species, being, at 
the same time, placed on the table. Professor Jameson 
gave an Account of the Sea-Leopard ; an animal of the ge- 
nus Phoca, from the lately discovered islands of New South 
Orkney ; and of the Eared Seal from New South Shetland ; 
both animals brought home by Captain Weddel. 
The Secretary read the concluding part of Dr Richard- 
son's Observations on the Botany of the Hudson's Bay 
Countries. Mr Witham read a Notice of the occurrence, 
in Primitive rocks, in Ross-shire, of Mineral Pitch, which 
has hitherto been observed associated only with secondary 
rocks ; specimens were also laid upon the table. The Se- 
cretary read Mr John Baird's Account of Fossil Trees, 
found in Secondary Trap-rocks, at Cleghorn, in Lanark- 
sViire; and specimens were likewise produced. Professor 
Jameson read a communication from Mr A. Blackadder, 
Allan Park, tending to shew that the Rhinoceros Horns of 
Blair-Drummond may probably be regarded as having 
occurred in the blue clay of that district. Professor Jame- 
son also read an Account, communicated by Mr David 
Mylne, of some remarkable Fossilized Trunks and Branches 
of Trees, found in a quarry near Coldstreani ; and fine 
Specimens of these were exhibited. Mr David Blackadder, 
of Edinburgh, laid before the meeting samples from Blair- 
Drummond Moss, 1st, Of the peat beneath the blue clay ; 
2c?, Of the clay itself; and, Sd, Of the surface peat. 
