Presidents Address. 
9 
ment to a Society lately formed in Edinburgh for the preven- 
tion of cruelty to the inferior animals." 
On 25th January 1840, Forbes read an account of the En- 
tozoa of the Cydippe pileus, showing that, besides a Filaria, 
there is a curious tongue-shaped parasitic animal, which was 
first detected by Major Playfair of St Andrews, and has been 
called by Forbes Tetrastoma Playfairii, 
On 22d February 1840, Lord Greenock's discovery of Sul- 
phuret of Cadmium in rocks on the banks of the Clyde is no- 
ticed, and the mineral is called Greenockite by Professor 
Jameson. Mr Cunningham read a paper on the Geognosy of 
the Island of Arran. 
On 7th March 1840, Mr Bald read a notice regarding the 
extent and commercial value of the blackband ironstone in 
Scotland ; and Mr James Wilson recorded the result of Mr 
Shaw's observations on the fry of the salmon. 
On 4th April 1840, Professor Jameson proposed that the 
Society strongly recommend the measuring of the heights of 
the coast lines of Fuci along the shores of Scotland, the Hebri- 
des, and the Orkney and Shetland Islands ; and the Society 
accordingly remitted the subject particularly to Dr Greville, 
Mr Eobert Stevenson, and Mr Edward Forbes ; and further 
directed the Secretary to intimate the recommendation to the 
Rev. Charles Clouston of Sandwick, Dr George Johnston of 
Berwick, and Dr Edmonston of Unst. Professor Jameson 
showed specimens of compact felspar of great hardness, from 
a bed which has occurred in the deep cutting for the Edin- 
burgh and Glasgow Railway, very near Winchburgh, and 
has greatly impeded the operations. 
On 18th April 1840, Edward Forbes made observations on 
certain rare British zoophytes, illustrated by drawings. 
On 14th November 1840, Mr John Goodsir is recommended 
as a member by Professor Jameson and Dr Neill ; and he 
was elected on 29th November. At that meeting, Forbes 
read a communication on the classification of Mollusca. 
On 12th December 1840, Dr Richardson sent a communi- 
cation on the frozen soil of North America. Mr Goodsir 
read an account of certain peculiarities in the structure of the 
short sun-fish {Orthagoriscus mold), as observed in a large 
VOL. II. E 
