278 



REPORT — 1856. 



416 

 41 



418 

 419 

 420 



421 



422 



423 

 424 



426 

 42 



428 



Area gradata, Brod. S( Sow 



grandis, Brod. (^- Sow 



One valve weighed 2^ lb. 



mutabilis, Soiv 



— (Byssoarca)pholadiformis,n.s, 

 Reeveana, D'Orb 



=A.Helblingii, Rve.non Brug. 

 reversa, 5ow 



= A. hemicardium, Koch. 



similis, n. s 



\J=A. tuberculosa, var.] 



solida, Sow 



(Byssoarca)Tabogensis,n. s, 



\J = A. illota, var.] 

 tuberculosa, Sow 



sp. 



Cardita afRnis, Sow 



= modulosa,\d\., } = nodulosa, 



Lam., not nodulosa, Rve. 

 — laticostata, Sow 



429 radiata, Sow , 



430 Cardiuin graniferum, Brorf.^^'oic 



431 obovale, Brod. &; Sow 



432 planicostatum, Sow 



[? = C procerum, var.] 



433 procerum, 5ow 



434 senticosum. Sow 



= C. rastnim, Rve. 



435 Venus ? amathusia, Phil. 



436 ?discors, Sow 



[.' = Tapes grata, Say.] 



437 gnidia, Brod. S^ Sow 



438 multicostata, Soiv 



= V. Thouarsi, Val. 

 439 pectiinculoides, Val. 



[= Tapes histrionica, Sow.] 

 440 subrugosa, Sore 



= V. subsulcata, Mke. 



441 , sp. a 



442 , sp. d 



443 Cytherea afBnis, Sow 



444 aurantiaca, Sovj 



= C. aurantia, Hani. 



445 consanguinea, n. s 



446 radiata. Sow 



447 squalida, Sow 



448 Artemis Dunkeri, Phil. 



= A. Pacifica, Trosch. 



\^ = A. simplex, Hani.] 



saccata, (?/rf. 



[ = Cyclina subquadrata, Hani.] 



Gouldia Pacifica, n. s 



Cyrena maritima, n. s 



under stones, 1. w, 

 ^-buried in m. & small 

 Igae.u. trees, ^--t.+ 

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



in soft stones, 1. w. 



under stones, 1. w. 



under stones, 1. w. 

 under stones, 1. w. 



thin mud, under man- 

 groves, near h. w. 



" boring " in stones 

 and rocks, \-t.— 



partly buried in calc 

 sand and gravel, un- 

 der stones, 1. vf . s. 



l.w. 



449 



450 

 451 



No. of 

 Speci- 

 mens. 



coarse sand among 

 stones, :5— j-t. 



coarse sand, under 



mangroves, i-J-t. 



partly buried in coarse 



sd. amg. St. or u. tr.,i-t 



coarse sand, ^-t. 



in impalpable mud, 

 under bushes, where 

 a small stream emp- 

 tied, h.w. Balani 

 sometimes attached. 



3 

 13 



70 

 2 

 9 



4 V. 



10 



60 

 60 



147 



2 

 70 



150 



20 

 6 V. 

 3». 

 iv. 



6 V. 

 5 



2 

 146 



4 

 5 



172 



33 



12 ». 

 14 

 10 

 3 



2 

 5 

 36 



Other Localities. 



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

 Real Llej., Guayaq., Cum. 



Is. Plata, Cum. 



St. Elena, Monte Christi, Cum. 



Philippines, Reeve. 



Tumbez, soft mud, 7 ftn.. Cum. 



Payta, Cum. 



Real Llejos, 1. w., Cum. 



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

 Cum. Guaymas, Green [?]. 



Guacomayo, St. Elena, Pan., Real Llej 

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



Ditto, coarse saud & mud, 10-12 fm, 

 Cum. teste Rve. 



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



Gulf Nicoya, Xipix., Cum. 



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



Guacomayo, fine sand, 13 fm., Cum< 



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

 St. Elena, sandy mud, 6-12 fm., Cum 



Mazatl., Green. 



St. Elen.and Guac, sandy mud, 6-9 fm 



Cum. ; Guaymas, Green. 

 Payta, Fontaine. 

 Pan., coarse sand, 1. w.. Cum. ; La Pa 



Green. 



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

 G. Nicoya, Jay. 



Salang., Xipix., sandy mud, 9 {m.,Cw 

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

 St. Elena, Cum. 



