376 Mr. Jeffreys on the Testaceous Pneumonobranchous 



Plate VII. (referred by Montagu to the same shell) is only 

 a very distinct variety of the L. pereger, specimens of which 

 I have seen from France. This last is I believe the Lym- 

 naa intermedia of Lamarck. 



6. Communis. 



Animal lutescenti-fuscum. Tentacula subconica, acuminata. 



Testa oblonga, acuminata, glabra, interdiim spiraliter ru- 

 gosa, et sub lente striis transversis seriatim dispositis 

 ornata,fu SCO -cornea. AnfractusQ — 7. Aperturaovd^ia.: 

 labro intiis saepfe violaceo, subincrassato. 

 Long. 0.875.— Diam. 0.325. 



Limneus palustris. Drap. Hist, des Moll. p. 52. t. 2. 



/.40,41. & ^.3./. 1,2. 

 Helix limosa. Lijin: Syst. Nat. 1. p. 1249? 



palustris. Gmel. Syst. Nat. 1. p. 3658. 



Buccinum palustre. Miill. Verm. 2. p. 133. 

 Stagnicola communis. Leach MSS. 



Very common in ditches and slowly-running streams. 



7. Elongatus. 



Animal nigrum. Tentacula albida. (Miill.) 

 Testa oblongo-cylindracea, acuminata, fragilis, pellucida, 

 glabra (sub lente pulchr^ seriatim striatula), albido-lu- 

 tescens. Anfractus 7 — 8, teretes. Apertura elongato- 

 ovata : peristomio vix posticb reflexo. 



Long. 0.525.— Diam. 0.175. 



Limneus elongatus. Drap. Hist, des Moll. p. 53. t. 3. 



/. 3, 4. 

 Lymnaea leucostoma. Lam. Hist, des Anim. sans Vert. 



6. p. 162. 



Helix 



