270 Panama Shells. 



Venus gnidia Gray in Beech. Voy. Zool. pi. 41. f. 3. 1839. 



- Reeve Conch. Syst. pi. 68. f. 5. Sept.. 1841. 



- Hanley's Supp. Wood Ind. Test. pi. 13. f. 43. 1845 ? 

 Hanley Descr. Catal. p. 113. 1845 I 



Orb. Voy. Amer. Mend. Moll. p. 564. 1846. 



Station. Qnkn own . 



Habitat. Pacific ; Hanley. 



Payta ; Fontaine ! Orbigny. 

 San Bias ; Jay. 



Mazatlan ; Lt. Green I Gould MSS. 

 Panama ; C. B. A. ! 



We obtained 4 specimens of a variety which is distinguished 

 by smaller size and proportionally more approximate concen- 

 tric ridges. Very fine specimens, with the concentric ridges dis- 

 tant, thin ? and much elevated, are sometimes obtained at Panama. 



438. Venus multicostata. 



Synonymy. 



Venus multicostata Sowb. in Proc. Zool. Soc. Lond. p. 22. Feb 1835. 



Hanley Descr. Catal. p. 128. 1845 I 



Thouarsi Val. Voy. Venus, Moll. pi. 16. f. 1. 1846. 



Station. In coarse sand r at low water ; Cumingl Sowerby. 



Habitat. Bay of Panama; Cuming! Sowerby. 



Panama ; Hanley : also Jay. 



La Paz ; Lt. Green ! Gould MSS. 



Taboga ; C. B. A. I 

 5 specimens were collected. 



439. Venus pectunculoides. 



Synonymy. 

 Venus pectunculoides Val. in Voy. Venus. Moll. pi. 16. f. 3. 3846, 



