224 CYRENI1)J5. 



305. SphsBrium avanum, Theobald. 



Sphcerium avanum, Theobald, J. A. S. B. IS'S, xlii, pt. '2, p. 209, 

 pi. 17, %. 6. 



Ori'jinal description: — Testa quadrate rotunda, tumida, antico 

 rotui'idata, postice truncata, dilatata, equilaterali. Epideruiide, 

 leviter et coiiceiitriee corrugatn, postice ]e\issime radiata. Um- 

 bonibus prominent ibus, tumidis, ostulantibus ; colore pallide 

 strammeo, tribus faseiis -purpureis umbonalibus radiatira picto." 

 Lignmento umboiies verous intiato. 



Long. 6"6, lat. 7*5, diam. 5"2 uim. 



Hab. Near Ava. 



3GG. Sphserium indicum (Deshai/es, MS.), A. Adams. 



Sphcerium indiciwi (Desh. Mrs.), A. Adams, P. Z. S. xxii, 1854, 



p. 342, i.t Cat. Brit. Mus., Conchif. p. 26"). 

 Vyclas ijidica, Deshayes, H. & T., C. I. pp. G2-6'3, pi. loo, fig. 9. 



Original description : — Testa ovato-rliomboidea, tuniidula, seqni- 

 laterali, tenui, pellucida, albo-grisea; latere antico late rotundato, 

 postico obtuse truncato ; umbonibus tumidis, parum prominetiti- 

 bus ; cardine obsolete bidentato, dentibus lateralibus candidis, 

 aiitico majore, trigono, acuto, postico paulo brevioie, valvis sub 

 lente tenuissirae striatis. 



No dimensions, habitat, or figure are given with the above 

 description, but the habitat attaclied to ttie types is " Loodiana, 

 Punjab," and that given in the Conch. lud. " Moradabad " ; the 

 following dimensions are taken from three specimens of the type 

 series in the British Museum : — 



Long. 



Lat. 



Diam. 



Genus PISIDIUM. 



Fisidium, C. Pfeifter, Naturgeschichte deutscher Land- inid SLiss- 

 wasser-MoUusken, i, 1821, p. 123, pi. 1, fig. 19; ii, 1825, p. 33; 

 iii, 1828, p. 68. 



Tellina, Miiller, Verm, ii, 1774, p. 205. 



Spharium, Scopoli, Introduct. 1777, p. 397. 



Cardimn, Pnli, Test. Sicil. i, 1791, p. 65, pi. 16, fig. 1. 



Cyclas, Braparnaud, Tabl. Moll. 1801, p. 106. 



Pera, Cordula, Leach, in litt. in Mus. Brit. 1818-20. 



Phymesoda, Rafinesque, Ann. Gen. 8c. Phys. et Nat. v, 1820, p. 319. 



Gallileja, Costa, Corrisp. Zool. 1839. 



Pisum, Gray (non Megerle), P. Z. S. xv, 1847, p. 184. 



Muscidium, Gray (non Link), 1851. 



Pisum, Beshayes (non Megerle), Cat. Brit. Mus., Conchif. 1854. 



Musculiinn, H. & A. Adams (non Link). 



Pisum, II. & A. Adams (non Megerle), (len. Rec. Moll, ii, 1858. 



