574 
APPENDIX. 
1821- Professor Jameson read a series of Meteorological Qb*= 
servations made at the Cape of Good Hope, by Dr Knox. 
The Secretary then read a Notice by Mr Falconar regard- 
ing the Tidipa oculus soils, and also exhibited a flowering 
specimen of Iris sordida from Carlowrie. Mr Deuchar then 
read his Explanation of a Cause for the Occurrence of Drops 
of Water in the interior of regularly shaped Crystals. 
^ov. 11* li^he Secretary read two communications from Captain 
Scoresby junior ; one containing further Remarks on the 
Impregnation of Wood by Sea-water, when sunk to great 
depths ; and the other on the Cause of Fogs in the Green- 
land Seas. Likewise a Letter from Dr Fleming to Profes- 
sor Jameson, giving a short account of an Excursion round 
the North-West of Scotland ; and also a Letter from Mr 
Anderson to the Professor, stating correctly the Boundaries 
of the District of Primitive Rocks in Orkney. Professor 
Jameson communicated to the Society a Letter from Dr 
Oudney, mentioning the object of the Expedition to Africa^ 
in which he was about to embark : also a Note from Mr 
Barrow, secretary to the Admiralty, relative to the Progress 
of the Arctic Overland Expedition; and Extracts of a 
Letter to Professor Jameson, from Dr Richardson, Natu- 
ralist to the Expedition, giving an Account of the general 
Geognostical Features of the Country they had traversed. 
Professor Jameson laid before the Society a communica- 
tion on the Crystallisations of Copper-Pyrites, by Mr Hai- 
denger of Freyberg. 
The Secretary read, 1^^, A Notice regarding the Fossil 
Animal of Whitby, contained in a Letter from the Rev. 
Mr Young, addressed to Professor Jameson ; ^d, Meteoro- 
logical Observations, made during a long residence on the 
