246 



REPORT — 1856. 



No. 



75 



75* 



76 



Donax punctatostriatus, Hani. 



— Ppuactatostriatus, var. caelatus ... 



— Conradi, Desh. 



+D. cutter, Hani. 



-j-Z). Calif amicus, Desh. non Conr. 

 -\-D. conticsus, Rve. 

 ?-\-J). radiata, Val. 



— navicula, Hani. 



Mactridce. 



Mactra esoleta, Gray 



=Lutraria ventricosa, Gld. 

 = Mulinia ventricosa, C. B. Ad. 



— fragilis, Chemn 



= 3/. ovalina, Lam. teste Gray. 

 = M. Braziliana, Lam. teste Desh. 

 = Af. oblonga. Say, teste Rve. 



— (Mulinia) angulata, Gray 



} = M. donaciformis, C. B. Ad. 



Gnathodon mendicus, Gld. 



= Rangia trigona, Petit. 



Veneridx. 



PClementia gracillima, n. s 



Trigona radiata, Sow 



= Venus Solangensis, D'Orb. 

 = Trigona Byronensis, Gray. 

 = Cytherea corbicula, Mke. (non Lam.) 

 -\-C. semifulva, Mke. 

 -j-C gracilior, Sow. 

 ■\-C. Hindsii, HanL 

 ?-j-C intermedia, Sow. 



humilis, n. s 



argentina. Sow 



= Cytherea cequilatera, Desh. 



^? crassatelloides, jun 



planulata, Brod. Sf Sow 



+ Cytherea undulata, Sow. 



= Donax Lessoni, Desh. 



= Cytherea mactroides. Lam. teste Desh. 



Dosinia ponderosa. Gray 



= Cytherea gigantea, Phil. 

 = Venus cycloides, D'Orb. 



— Annse, Darh 



— Dunkeri, Phil. 



= Artemis simplex, Hani. 

 = Cytherea Pacifica, Trosch. 



CycUna subquath-ata, Hani 



Artemis saccata, Gld. 



Dione aurantia, ^aw/. 



= Cytherea aurantiaea, Sow. 



— chionsea, Mke 



-\-Cytherea sgualida, Sow. 

 4- C. biradiata, Gray. 



P-j- C elegans, Koch. 



rosea, Brod. S^- Sow 



= Cytherea lepida, Chen. 



— lupinaria, Less 



=!>.' lupanaria, Gray. 



= Cytherea Dione, var. Brod. 



= C. semilamellosa. Gaud. 



96 ?-Milnerata, ^rod. ■ 



Freq. 



93 



other Localities. 



6. r. 

 V. c. 



Acapulco. 



Gulf of Nicoya, Panama. 

 Panama, Guayaquil. 

 West Indies. 



S.W. Mexico, Panama. 



Salango, Xipis., Guayaq., Pan. 



! valv. 

 n. c. 



v.r. 

 v.c. 



3 

 n.c. 



Gulf of Nicoya. 



Upper California. 

 Pan., Salango; Chili, CoqmmbO; 

 D'Orb. 



Payta. 



Panama, St. Elena, "Eastern 

 Seas," Ad. &( Rve. 



St. Elena, Panama. 



S.W.Mex.,GulfNicoya,Taboga, 



San Bias, S.W. Mexico, La Paz, 

 Taboga, St. Elena, .'Philip- 

 pines, Swan River, 



San Bias, Panama. 



San Bias, Salango, Tumbez, 

 Payta. 



Real Llejos. 



