278 



REPORT — 1856. 



No. 



Name. 



Station. 



No. of 

 Speci- 

 mens. 



Other Localities. 



416 

 417 



418 

 419 

 420 



421 



422 



423 



424 



425 



426 

 427 



428 



Area gradata, Brod. 8f Sow , 



grandis, Brod. 8f Sow , 



One valve weighed 2\ lb. 



mutabilis, Sow , 



— (Byssoarca)pholadiforniis,n.s 



Reeveana, B' Orb , 



= A. Helblingii, Rve.non Brug 



reversa, Soiv , 



= A. hemicardium, Koch. 

 similis, n. s , 



\}=A. tuberculosa, var.] 



— — solida, Sow , 



(Byssoarca)Tabogensis,n. s 



[) = A. illota, var.] 

 tuberculosa, Sow 



under stones, I. w 

 ^-buried in m. & small 



algae, u. trees, i-t.-(- 

 u. s., & crev. rks., 1. w. 



in soft stones, 1. w. 



under stones, 1. w. 



under stones, 1. w. 

 under stones, 1. w. 



tbin mud, under man- 

 groves, near h. w. 



sp. 



Cardita affinis, Sow 



= modulosa, Val., ? = nodulosa 



Lam., not nodulosa, Rve. 

 — laticostata, Sow 



429 

 430 

 431 

 432 



433 

 434 



435 

 436 



437 



438 



439 



440 



441 

 442 

 443 

 444 



445 

 446 

 447 



448 



449 



450 

 451 



— radiata, Sow 



Cardium graniferum, Brod. 8fSow 



— obovale, Brod. Sf Sow , 



— planicostatum, Sow , 



[? = C. procerum, var.] 



— procerum, Sow 



— senticosum, Soiv 



= C. rastrum, Rve. 



Venus ? amathusia, Phil. 



— Pdiscors, Soiv 



[?= Tapes grata, Say.] 



gnidia, Brod. 8f Sow 



— multicostata, Sow 



= V. Thouarsi, Val. 



— pectunculoidcs, Val 



[ = Tapes histrionica, Sow.] 



— subrugosa, Soiv 



= V. subsulcata, Mke. 



— , sp. a 



— , sp. b 



Cytherea affinis, Sow 



aurantiaca, Sow 



= C. aurantia, Hani. 



consanguinea, n. s 



radiata, Sow 



squalida, Sow 



Artemis Dunkeri, Phil 



= A. Pacifica, Trosch. 



[ = A. simplex, Hani.] 



saccata, Gld 



[^Cyclina subquadrata, Hani.] 



Gouldia Pacifica, n. s 



Cyrena maritima, n. s 



boring " in stones 

 and rocks, |-t.— 



partly buried in calc 

 sand and gravel, un 

 der stones, 1. w. s. 



l.w. 



coarse sand among 

 stones, 4-4-t. 



coarse sand, under 



mangroves, \-\-t. 



partly buried in coarse 



sd. amg. st. or u. tr.,^-t. 



coarse sand, -|-t. 



l impalpable mud, 

 under bushes, where 

 a small stream emp- 

 tied, h. w. Balani 

 sometimes attached. 



4 v. 



10 



60 

 60 



147 



2 

 70 



150 



20 



6 v. 

 3 v. 

 1 v. 



6 v. 

 5 



2 

 146 



4 

 5 



172 



33 



12 v. 

 14 

 10 

 3 



2 

 5 



36 



St. Elena, Cum. ; Sta. Barbara, Je 

 Real Llej., Guayaq., Cum. 



Is. Plata, Cum. 



St. Elena, Monte Christi, Cum. 



Philippines, Reeve. 



Tumbez, soft mud, 7 fm., Cum. 



Payta, Cum. 



Real Llejos, 1. w., Cum. 



B. Montija & Nicoya, sdy. m., 6-12 , 

 Cum. Guaymas, Green [?]. 



Guacomayo, St. Elena, Pan., Real L ', 

 sand, 6-12 fm., Cum. t. Sow. 



Ditto, coarse sand & mud, 10-12 \ 

 Cum. teste Rve. 



Salango, muddy sand, 6-12 fm., Ci 



Gulf Nicoya, Xipix., Cum. 



Xipix., sandy mud, 11 fm., Cum. 



Guacomayo, fine sand, 13 fm., Curt 



Real Llej., coarse sand, 4-6 fm., Cu 

 St. Elena, sandy mud, 6-12 fm., ft| 



Mazatl., Green. 

 St.Elen.andGuac, sandy mud,6-91- 



Cum. ; Guaymas, Green. 

 Payta, Fontaine. 

 Pan., coarse sand, l.w., Cum. ; Lai 



Green. 



Xipix., 10 fm., sandy mud, Cum. 

 G. Nicoya, Jay. 



Salang., Xipix., sandy mud, 9 fm./'/ 

 St. Elena, sandy mud, 6 fm., Cum, 

 St. Elena, Cum. 



