A HISTORY OF NORTHAMPTONSHIRE 



Helicigona lapictda (Linn.). Local. Castle 

 Ashby ; Brackley ; Rockingham ; near 

 Rothwell ; Weekley Hall Wood 



— arbustorum (Linn.) 

 Helix aipena, Miill. 



— poniatia, Linn. John Morton records, in 



171 2, that Lord Hatton unsuccessfully 

 attempted to introduce this species at 

 Kirby. About 1850 it was reported at 

 Woodford, where it was said to have 

 been introduced by General Arbuthnot, 

 and it has been recently re-discovered in 

 that locality 



— ntmortilis, Linn. 



— hortensis, Mali. 

 BuTiminus obscun/s (Mull.) 

 Cochlicopa lubrica (MuU.) 



Azeca tridem (Pult.). Two specimens at 



Yardley Chase 

 Ciecilianella acicula (Mill!.). Kettering ; 



Middleton ; Deenethorpe ; Sibbertoft 

 Pupa cylindracea (Da C.) 



— muscorum (Linn.) 



Sphyradium edmtulum (Drap.). Campion's 

 Spinney, near Northampton ; Castle 

 Ashby ; Oakley Wood ; Delapr6 Wood 



Vertigo pygmiea (Drap.) 



— pusilla, Mull. Danes Camp 

 Bdlta perversa (Linn.) 

 Clauiilia laminata (Mont.) 



— hidentata (Strom.) 



— rolphii^ Gray. Six specimens in Sywell 



Wood 

 Succinea putris (Linn.) 



— e/egans, Risso 



b. Basommatophora 

 Carychium minimum, MtiU. 



Ancylui fluviatilis, MuU. Rare. Wootton 



Brook ; Bnrton Brook 

 ydletia lacustris (Linn.). Rare. River Nenc, 



Northampton ; Ise Brook ; some of the 



canals 

 Lintnaa auricularia (Linn.) 



— pertger (Miill.) 



— palustris (Mull.) 



— truncatula (Mull.) 



— itagnalis (Linn.) 

 riancrbii corncui (Linn.) 



— albm. Mall. 



— glaber, Jeff. 



— nautileui (Linn.) 



— carinatui, Mull. 



— marginalus, Drap. 



— vortex (Linn.) 



— spiror/'is, Mall. 



— contortui (Linn.) 



— fontanui (Lightf.). Pond by Naseby reser- 



voir ; Castle Ashby pond 



— Uncatm (Walker). One dead specimen in 



Ise Brook, near Desborough 

 Physa fontinalis (Linn.) 



IL PROSOBRANCHIATA 



Bithynia tentaculata (Linn.) 



— leachii (Shepp.) 

 Vivipara vivipara (Linn.) 



— contecta (Millett) 

 Valvata piscinalis (Mull.) 



— cristata, Mull. Borough Fen, near 



Peterborough 



— elcgans (Miill.). Colony at Kettering ; 



two dead shells at Loddington, one at 

 Brackley 

 Neritina fiuviatilis (Linn.) 



B. PELECYPODA 



Dreissemia polymorpha (Pall.) 

 XJnio pictorum (Linn.) 



— tumidus, Retz 

 Anodonta cygKiea (Linn.) 



Spharium rivicola (Leach). Blisworth Canal ; 

 River Nene, Northampton 



— corneum (Linn.) 



Spharium lacustre (Mllll.) 

 Pisidium amnicum (Miill.) 



— pusil/um (Gmel.) 



— fontinale (Drap.) 



— milium (Held.). Castle Ashby ; Ise 



Brook ; Weekley Hall Wood 



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