VENUS. Panama Sheik. 271 



Station. — In coarse sand, between one quarter and one half 

 tide level. 



Habitat. — Guaymas; Lt. Green I Mus. Essex Inst. 



Panama ; 0. B. A. ! 

 172 specimens were collected under a marine grove, on the 

 reef, &o. 



440. Venus subrug;osa. 



Synonymy. 



Venus suhrugosa Sowb. Gen. pi. — . f. 2. pi. — . f. 6. 1824 ? 



Wood Ind. Test. Supp. pi. 2. f. 6. 1828. 



Reeve Conch. Syst. pi. Ql. f. 2. Sept. 1841. 



Phil. Abbild. I. pi. 3. f. 6, 7. Nov. 1844. 



Hanley Descr. Catal. p. 116. 1845 ? 



Orb. Voy. Amer. Merid. Moll. p. 661. 1846. 



Gytherea subsulcata Menke must resemble this species. 



Station. — We found this moUusk partly buried in coarse sand 

 among stones, or under trees, near half tide level. 



Habitat. — Panama ; Wood : also Hanley : also Jay. 

 Peru; Philippil Orbigny. 

 Mazatlan ; Lt. Green I Gould MSS. : also Mus. 



Essex Inst. 

 Panama ; 0. B. A. 1 

 We collected 33 specimens on the reef, and in a marine grove 

 west of Panama. 



441. Tenns . Sp. indet. a. 



12 odd valves were found at Taboga and Panama. 



442. Tenns . Sp. indet. b. 



Station. — In coarse sand, near half tide level. 



Habitat. — Panama ; 0. B. A. ! 

 - We collected 14: specimens. 



