WIGTOWNSHIRE AND ITS INLAND MOLLUSCAN FAUNA 297 



(Jack G. Gordon). Mr Gordon counted twenty-three living 

 specimens near the same place, and states that it also occurs in 

 the River Cree. 



SphcBfium corneum. 



Malzie Burn, Corsemalzie, four on the bottom, 4th May 1909 

 (Jack G. Gordon); Loch Lennows, five on the bottom, 12th 

 May 1909 (/V.) j Loch Chesney, on the bottom, three young 

 examples, same date {id.) ; ditch round the Moor, Corsemalzie, 

 one, 6th July 1916 (id.). 



Pisidium fo n tin a le. 



Ditch round the Moor, Corsemalzie, 6th July 19 16 (Jack G. 

 Gordon). 



Pisidium pulchellu?n. 



Ardvvell, September 1890 (W. Evans"^, 



Pisidium cinertuin. 



Portyerriock in Whithorn, 28th May 191 2 (Edward Collier); 

 Quhillart Moor, 4th September 19 16 (Jack G. Gordon). 



Pisidium obtusale. 



Ditch in wood, Corsemalzie, 8th September 191 6 (Jack 

 G. Gordon). 



Every record in this list — which totals up to fifty-two 

 species — is an " authenticated " one, the paper being the 

 third of a series drawn up by me in my official capacity as 

 Hon. Recorder to the Conchological Society of Great Britain 

 and Ireland, with a view of stimulating closer investigation 

 throughout Scotland. 



The most striking absentees from the list are the 

 following, which have all been authenticated from the two 

 adjoining counties, Ayrshire on the north, Kirkcudbright- 

 shire on the east : — 



Hyalinia puva. 

 Piinctiini pygnucnvi. 

 Helix h or ten sis. 

 Helicella virgata. 

 Helicella itala. 

 Hygroniia fiisca. 



Pupa musconim. 

 Vertigo substriata. 

 V. pus ilia. 

 Succinea piitris. 

 Acicula lineata. 

 Pisidium pusilluni. 



And there are various others, e.g. Agrioliuiax Icevis, which 

 should certainly be found. Of Pisidia^ two species not in 



