128 CONCHYLIA— />/riir/?^. 32. 



32. CAPSA— LAMARCK. 



Testa transversa, a-quivalvis, inteqm'lateralis ; latere antico 

 obtuso, brevissimo. Cardo dentibus duobus : laleralibus 

 nullis. Ligamenttim externum, ad lattis brerius. 



Shell transverse, equivalve, inequilateral ; with the anterior side 

 obtuse and very short. Hinge with two teeth in both valves : 

 lateral teeth none. Ligament external, at the shorter side. 



The individuals of this genus differ in no respect from the 

 Donai, except in wanting the lateral teeth. 



casunea. Capsa testd ovato-oblongd l<svi castaned, vittd longitudinali 

 saturatiori subarcuatd, dente altera minimo. 

 Shell oval-oblong smooth pale chesnut, with a deeper slightly 

 curved longitudinal band, and one of the teeth very small. 

 Tab. nost. 10, fig. 13. 

 Donax castanea. Montagu, p. 573, tab. 17, fig. 2. 

 Pennant, Brit. Zool. iv. p. 199. 

 Linn. T'rans. viii. p. 77. 

 Turton, British Fauna, p. 156. 

 Dillwyn, Descript. Catal p. 152. 

 Turton, Conch. Diet. p. 42. 

 Mus. nost. From Penzance. 



Shell a quarter of an inch long, and nearly half an inch 

 broad, strong, glossy, of a reddish chesnut color, with a deeper 

 longitudinal band from the hinge which curves a little towards 



