iSS JOURNAL OF CONCHOLOGV, VOL. 12, NO. 7, JULY, IQoS. 



Cunnington and Vize) ; Salisbury, Edington, Avebury and Amesbury 

 (E.W.S.). 



var. ryckholti Normand. — Swindon (Cockerell); " the type of 

 6". lacustre was very common at one place, but only one of var. 

 ryckholti was found (measuring 6x6 mm.)". 



Pisidium amnicum (Miiller). — A common species. "Dr. 

 Maton, who first defined it as a distinct member of our fauna, 

 obtained his specimens from the Avon, near Salisbury, and Montagu 

 from the North Avon" (Forbes &: Hanley, Brit. Moll., vol. ii., p. 134). 

 Canal at Trowbridge, Milford near Salisbury (Vize); canal at Devizes 

 (Miss Cunnington and Vize); Elcot Mill, Marlborough (Bromehead); 

 brickearth at Fisherton (Blackmore) ; Stourton, Salisbury, Edington 

 and Amesbury (E.W.S.). 



Pisidium henslowianum (Sheppard). — A local species. Milford 

 near Salisbury, Drew's Pond, Devizes (Vize) ; Great Bedwyn 

 (Townsend); Edington (E.W.S.). 



Pisidium subtruncatum Malm. — Very local. Swindon (Cock- 

 erell); Great Bedwyn (Townsend); Stourton (E.W.S.). 



Pisidium pusillum (Gmelin). — Locally abundant. North 

 Bradley, Harnham Meadows, Salisbury (Vize); Swindon (Cockerell); 

 brickearth at Fisherton (Blackmore); Great Bedwyn (Townsend). 



var. cinerea Alder. — Great Bedwyn (Townsend); North Bradley 

 and one or two other localities near Trowbridge (Vize). 



Pisidium nitidum Jenyns. — Very rare. Elcot Mill, near 

 Marlborough ( Bromehead). 



Pisidium obtusale Pfeifler. — Very rare. Recorded only from 

 the neighbourhood of Salisbury. Milford, Salisbury (Vize); brick 

 earth at Fisherton (Blackmore). 



Pisidium gassiesianum Dupuy. — Very rare. There are 

 specimens from Great Bedwyn in the Townsend collection at the 

 Haslemere Museum. 



Pisidium puichellum Jenyns. — Locally abundant. Brick 

 earth at Fisherton (Blackmore); Milford near Salisbury, and Drew's 

 Pond, Devizes (Vize); Stourton, Edington and Amesbury (E.W.S.). 



In all probability the last four species have a much wider distribu- 

 tion than the above records indicate. 



Species Erroneously Recorded for Wilts. 

 The H. cartusiana in the Cunnington collection at Devizes are H, 

 cantiana. Bulimtis ventrosus {^= Helix acuta) in Bromehead's list of 

 shells from the neighbourhood of Marlborough should have been 

 Cochlicopa iubrica. 



