380 Proceedings of the Royal Physical Society. 



Wednesday, 21st Aioril 1880.— Prof. Archibald Geikie, F.R.S., President, 



ill the Chair. 



The following gentlemen were elected Ordinary Fellows of the Society : 

 William Evans, Actuary ; W. H. Caldwell; William Gibson Bloxsom, Actuary ; 

 Walter Campbell, L.D.S.Eng. ; John A, Johnston. 



The following communications were read : 



1. "On an Undescribed Variety of Amethyst." By Prof. J. Duns, D.D. 



2. "On the Habits of the Water Vole {Arvicola amj^hibia).'" By Professor 



J. DuKs, D.D. 



3. "The Old Red Sandstone of Orkney." By B. N. Peach, F.G.S., and 



John Horne, F.G.S. 



4. " Note on the Occurrence of the Pintail Duck [Dafila acuta) in the Outer 



Hebrides." (Specimen exhibited. ) By the Secretary. 



5. "Notes on Epomophorus com2)tits (Allen.), one of the Large Fruit-Eating 



Bats; from Ohl Calabar, West Africa." By John Alex. Smith, M.D. 

 Dr Smith exhibited specimens of males, female, and young; also 

 specimens of Nyderis hispida and Nyderis grandis from Old Calabar. 



6. " Early Chapters in the History of the Sij[uirrel in Great Britain." By J. 



A. Harvie-Brown, F.Z.S. 



7. The Secretary exhibited, with remarks, a male specimen of the Marten Cat 



{Martcs foina), killed at Balquhidder on April 2. 



