276 BIVALVE SHELLS. 



])urpurcis ; dcntibus cardinalibus iluobus minimis, lateralibus 

 in iitraque valva valicbs; ligamento minimo, extus con- 

 spicuo. 



Canlium casertanum, Poli, Test. utr. Sicil. i. 65. pi. 16. f . 1 



(i7!n). 



Cvdas fontinalis (e.\ parte), A'i/sson, Hist. Moll. Suec. ]). 101 . no. 6. 

 Pisidium australe, Phil. Enum. Moll. Sicil. i. 39; ii. 3\. no. 2. 



pi. 14. f. 2. 



Ray cy Drouet, Cat. des Moll, de la Champ, p. .32. no. 63. 

 Pisidium cniereum. Alder, Cat. Land Sf Freshw. Moll. Northumb. 



Suppl. p. 4. 



Gray, Turt. Man. ed. 2. p. 286. no. 121. pi. 10. f. 152. 

 Forbes 4- Hanley, Hist, of Brit. Moll. ii. 125. pi. 36. f. 2. 

 Diipiiy, Hist. nut. des Moll, de France, p. 683. pi. 30. f. 3. 

 Pisidium obtusale. Villa, Disp. Syst. Conch, p. 44. 

 Cyclas obliqua, Diipuy, Moll, du Gers, p. 91. no. 4. 

 Cvclas cinerea, Hanley, Descr. Cat. p. 91. 

 Cvclas lenticularis, Normand, Notice sur quelques especes de Cy- 



clades, p. 8. no. 4. f. /, 8. 

 Pisidium iratianum, Dupuy, Cat. extr. Gall. no. 234. 

 Pisidium thermale, Dnpiiy, loc. cit. no. 238 ; Hist. nat. des Moll. 



de France, p. 682. pi. 30. f. 6. 

 Pisidium calyculatum, Dupuy, Cat. extr. Gall. no. 229 ; Hist. 



nat. des Moll, de France, p. 684. pi. 30. f. 4. 

 Pisidium sinuatum, Bourguignat, Journ. de Conch: i. 421 ; ii. 49. 



pi. 1. f. 6-10. 

 Pisidium lenticulare, Dupuy, Hist. nat. des Moll, de France, p. 680. 



no. 2. pi. 30. f. 2. 



Hob. Eiu-opa. 



3. PlSUM VITREUM. 



P. testa variabile, oblique ovali, inaequilaterali, plus minusve ven- 

 tricosa, striata, striis profundiusculis, nitida, cinereo-lutcsceute 

 vel sordide ferruginea incrustata ; umbonibus obtusiuscidis, 

 simplicibus, approximatis, vix prominentibus. 



Cardium amnicum (Junius), Mont. Test. Brit. p. 88 (teste Gray 



1840. Hanley 1843). 

 Cvflas fontinalis, Brown, Edinb. Journ. of Nat. and Geol. Sc. i. 



■pi. l.f. 5, 7. 



Alder, Trans. Nat. Hist, of Newcastle, p. 41. no. 69. 

 Cyclas vitrea, Risso, Eur. Merid. iv. 338. no. 914. 

 Pisidium Joannis, Macgilliv. Moll. Anim. of Scotl. p. 209. no. 1, 



et p. 248. 

 Pisidium Jenynsii, Macgilliv. loc. cit. p. 209. no. 2. p. 249. 



