216 



Variat secundum aetatem. — Adultorum valva infe- 

 rior saepe satis producta. 



Dein etiam: Transact. of the zool. soc. of Lond. Vol. I. 

 P. IV. 1835. p. 306. et tab. XXXIX. fig. 8. (jun.), fig. 9. 

 (adult.) 



Legit H. Cuming rupibus adliaerentem , in America cen- 

 trali (Isle of Cuiia). 



Proceedings. 1834. p. 151. 



FAM. II. CARDIACEA Mke. 

 yO. CARDIUM Linn. (pectunculus Adans.) 



1. Cardium Cumingii IF. J. Broderip. 



C. testa aequivalvi, tumida, fragili, rosea, diaphana, 

 egregie cancellata, antice rugosa, valvis postice hiantibus; 

 crista antica subalbida ab umbonis latere postico ad margi- 

 nem ventralem extensa in utraque valva. 



Long. 1 poll., lat. f poIL, alt. f poll. 



Nominatum in memoriam H. Cuming. — Prope ac- 

 cedit ad c. buUatum Lam. et c. soleniforme . . 



Legit H. Cuming in America centrali ( Gulf of Dulce ), 



Proceedings. 1833. p. 82. 



2. Cardium procerum G. B. Sowerhy. 



C. testa ovata, dorso acuminatiuscuio , pallida, fusco- 

 maculata, antice rotundata, postice subangulata; costis ra- 

 diantibus viginti quinque, anticis quatuor primis obsoletiu- 

 sculis, reliquis prominentibus, postice angulatis , subrugosis; 

 medianis planulatis, utrinque obtuse angulifei'is ; posticis an- 

 tice angulatis; interstitiis planulatis; latere postico ringente, 

 dentibus marginalibus validis; epiderniide fusca. 



Long. 3-3 poIL, lat. 31 polL, alt. 39 poIL 



Legit H. Cuming in America centrali (Real Llejos). 



Proceedings. 1833. p. 83. 



3. Cardium orbita G. B. Sowerby. 



C. testa obovali, pallescente, fulvo - variegata ; antice 

 rolundala, poslice subangulala; costis radiantibus quadia- 



