278 BIVALVE SHELLS. 



Pisidiura fontinale, C. Pfeiffer, Syst. Anord. p. 125. no.3. pl. 5. 

 f. 15, 16. 



Dupuy, Hist. des Moll. de France, p. 691. no. 11. pl. 31. f. 3. 



Pera pulchella, Leach, MSS. Brit. Mus. teste Alder, Cat. of the 



Land, Sfc, p. 41. no. 69; Moll. Brit. Syn. ed. Gray, p. 292. 



no. 5 (1852). 



Euglesa Henslowiana, Leach, MSS. Brit. Mus. teste Jenyns, 



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



Pisidium pusillum, Jenyns, Trans. Cambr.Phil.Soc.Y'i.3Q2.jio.2. 



pl. 20. f. 4-6. 



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

 Forbes Sf Hanley, Hist. ofBrit. Moll. ii. 123. pl. 37. f. 10, 

 & pl. O. f. 9. 

 Pisidium pulchellum (ex parte), Gray, Turt.Man. p. 284. no. 118. 

 Pisidium roseum, Scholtz, Moll. Fauna, p. 140. uo. 3. 

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



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



Hab. Europa. 



6. PisuM Henslowianum. B.M. 



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

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

 nea, saepius partim praecipue ad apicem sordide ferruginea; 

 umbones acutiusculi, projectura parva lamelliformi adornati. 



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



1851) (teste Jenyns, 1832). 

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

 Cyclas appendiculata, LeacA, MSS. (teste Turt. 1831); Manual, 

 *p. 15. 



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

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

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

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



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

 Forbes Sf Hanley, Hist. ofBrit. Moll. ii. 131. pl. 37. f. 11. 

 Dupuy, Hist. nat. MolL de France, p. 687- no. 8. pl. 31. f. 2. 

 Pera appendiculata, Leach,MoU.Brit. Syn.^. 292.no.4,ed. Gray 



Hab. Europa. 



7. PlSUM pulchellum. B.M. 



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

 concentrice striata, tenui, fragili ; umbonibus prominulis. 



Pera pulchella, Leach, MSS. fide Jenyns. 



