PROCEEDINGS OF THE SOCIETY. 279 



The total number of species and varieties of\ 



Brachiojioda in 1SS6 was 9, ... ... I Increase, 



The total number of species and varieties of ( 3. 



Brachio^mda in 1901 was 12, ... ... ) 



Grand total of Mollusca and Brachiopoda (spec. 



and var.) in 18SG, 966 



Grand total of Mollusca and Brachiopoda (spec. 



and var.) in 1901, 1,170 



An increase of 210 over all. 



26th Maech, 1901. 



Mr. Alex. Somerville, B.Sc, F.L.S., President, in the chair. 



The Secretary reported that the President had been appointed 

 to represent the Society at the Ninth Jubilee Celebrations of the 

 University of Glasgow, to be held in June of the present year. 



Mr. Thos. Beath Henderson, M.D., exhibited a fresh specimen 

 of Ophisaurus apus (BouL), the Glass Snake, so called, but which is 

 in reality a lizard closely resembling a snake, the fore limbs being 

 entirely absent, while the hind Umbs are extremely rudimentary. 

 He also showed the head and rattle of Crotalus terrificus (Cope), 

 the Rattlesnake, from Brazil, and vi\'idly described the structure 

 of the poison glands and fangs. 



Mr. Frank M'Culloch brought forward for exhibition the 

 following specimens : — 



(1) Acanthis linaria (L.), the Mealy Redpoll, from Barra. 



(2) Sylvia nisoria (Bech.), the Barred Warbler, from Barra. 



(3) Spatula clypeata (L.), the Shoveler, from Loch Lomond. 



(4) Laurus glaucus, O. Fabr., the Glaucous Gull, from Barra. 



Mr. John Paterson gave a careful description of these birds, 

 with information on their habitats, and their frequency in 

 dififerent districts of this country. 



Mr. Paterson also read extracts from a Manuscript, written by 

 the late Dr. John Grieve, dated 1847, and descriptive of the 

 birds seen by him about that period in the North-eastern district 

 of Glasgow. (See page 181.) 



