174 Land and Fresh-Water Mollusca. 



Planorbis pontanus (Lightfoot) = P. nitidus, Jeffreys. — 

 Coldingham Loch, 4th October 1890, a few. 



Planorbis albus (L.) — Coldingham Loch, October 1890; 

 several specimens obtained. 



Planorbis parvus, Say = P. glaber, Jeff. — Abundant on 

 Potomageton, etc., in Coldingham Loch, October 1890. 



Planorbis contortus (L.) — This species was also obtained 

 in plenty at Coldingham Loch in October 1890. 



Physa fontinalis (L.) — Coldingham Loch, fairly common. 



LiMN^A PEREGRA (Miill.) — Abuudaut near Cockburnspath, 

 Coldingham Loch, Eyemouth, etc. 



LiMNiEA TRUNCATULA (Miill.) —Commou in a ditch at Eye- 

 mouth, and in a damp spot by the shore near St. Abbs. 

 This is the L. fossaria of Dr Johnston's list. 



Ancylus fluviatilis, Miill. — Common on stones in the 

 Pease burn, Coldingham Loch, etc. 



Sph^rium corneum (L.)— Common in Coldingham Loch. 



PisiDiuM fontinale (Drap.) — A few in a ditch near the 

 mouth of the Pease burn, September 1 890. The P. pulehellum, 

 Jenyns — included in Dr Johnston's '" Catalogue of the Bivalved 

 Shells fouud on the coast of Berwickshire and North 

 Durham" (Club's Proceedings, Vol. i., p. 78) — is treated as 

 a variet)' of the present species in the Conchological Society's 

 list of 1892. 



PisiDiuM pusiLLUM (Gmel.) — Common in ditches near Cock- 

 burnspath, and in Coldingham Loch. 



Edinburgh, 23rd December 1895. 



