278 BIVALVE SHELLS. 



Pisiditim fontinale, C. Pfeiffer, Syst. Anord. p. 125. no. 3. pi. 5. 

 f. 15, l(i. 



Dupuij, Hist, des Moll, de France, p. 691. no. 1 1. pi. 31. f. 3. 



Pera ])iilrhella. Leach, MSS. Brit. Mua. teste Alder, Cat. of the 



Land, ^-c, p. 41. no. 69; Moll. Brit. Syn. ed. Gray, p. 292. 



no. 5 (1S52). 



Euplesa Henslovviana, Leach, MSS. Brit. Mus. teste Jenyns, 



Trans. Cambr. Phil.Soc. vi. .302; Moll. Brit. Syn. p. 291. no. 1. 



Pisidium pusillum, Jenyns, Trans. Ca7nbr. Phil. Soc.\i. 'S02.no. 2. 



pi. 20. f. 4-6. 



Gray, Turt. Man. ed. 2. p. 283. no. 117. pi. 1. f. 7- 

 Forbes S,- Hanley, Hist, of Brit. Moll. ii. 123. pi. 37. f. 10, 

 & pi. O. f. 9. 

 Pisidium pulchellum (ex parte), Gray, Turt. Man. p. 284. no. 1 18. 

 Pisidium roseum, Scholtz, Moll. Fauna, p. 140. no. 3. 

 Pisidium obtusale ?, Gassies, Moll, de VAgenais, p. 207. 



Ray Sf Drouet, Cat. des Moll, de la Champ, p. 32. no. 167. 



Hab. Emopa. 



6. PisuM Henslowianum. B.M. 



P. testa oblique ovali, ventricosa, antice planiuscula, distincte 

 inaequilaterali, tenuiter striata, nitide lutescenti-alba vel cor- 

 nea, ssepius partim praecipue ad apicem sordide ferruginea; 

 umbones acutiusculi, projectura parva lamelliformi adoruati. 



Pera Henslowiana, Leach, MSS. Brit. Mus. 1819 (teste Gray, 



1851) (teste Jenyns, 1832). 

 Tellina Henslowana, Sheppard, Trans. Linn. Soc. xiv. 150. no. 4. 

 Cvclas appendiculata, LeacA, il/SS. (teste Turt. 1831); Manual, 

 'p. 15. 



Turt. Man. p. 15. no. 6. pi. 1. f. 6. 

 Pisidium acutum, Pfeiffer, Wiegm. Arch. i. 230. 

 Pisidium Henslowianum, Jenyns, Trans. Cambr. Phil. Soc. iv. 

 308. no. 5. pi. 21. f. 6, 7- 



Gray, Turt. Man. ed. 2. p. 285. no. 119. pi. 1. f. 6. 

 Forbes c)- Hanley, Hist, of Brit. Moll. ii. 131. pi. 37. f. 11. 

 Dupuy, Hist. nat. Moll, de France, p. 687. no. 8. pi. 31. f. 2. 

 Pera appendiculata, Leach,Moll.Brit.Syn.Tp.292.\io.4,&A.. Gray 



Hab. Europa. 



7. PisuM pulchellum. B.M. 



P. testa minuta, oblique cordata, valde inaequilaterali, ventricosa, 

 concentrice striata, tenui, fragili ; umbonibus prominulis. 



Pera pulchella, Leach, MSS. fide Jenyns. 



