panamic-pacific pelecypoda 509 



Explanation of Plate 36 



Figure Page 



1. Solecardia eburnea Conrad ...239 



Length 29.2 mm. Type, ANSP 52615. 



la. Solecardia eburnea Conrad 239 



Copy of figure of Scintilla cumingii Deshayes in Sowerby's Thes. 

 Conch., vol. 1. 



2. Orobitella stearnsi Dall 236 



Copied after Dall, 1899. Gulf of California. USNM. 



3-3a. Solecardia peruviana, new species 240 



Length 4.8 mm. Zorritos, Peru. Holotype. ANSP' 218891. 



4-4a. Tryphomyax lepidoformis, new species 240 



Length 4.1 mm. El Lagartillo, Panama. Holotype. ANSP 218922. 



5-5a. Erycina colpoica Dall 229 



Length 4.4 mm., near Taboga Island, Panama. Coll. Mr. L. Beil. 

 PRI 25669. 



6-6a. Lasaea rubra (Montagu) 230 



Length 2.6 mm. Boynton Beach. Florida. Coll. Mr. T. L. McGinty. 



7-7b. Trj'phomyax lepidoformis laevis, new subspecies 241 



Fig. 7, length 2 mm.; Fig. 7b. El Lagartillo, Panama. ANSP 



8-8a. Basterotia (Basterotella) ecuadoriana, new species 243 



Length 12.3 mm. Manta, Ecuador. Holotype, ANSP 218892. 



9. Ensitellops hertleini Emerson and Puffer 242 



Copied after Emerson and Puffer. Length 9.5 mm. Guaymas, Mexico. 



10. Lepton lepidoformis, new species 230 



Length 2.5 mm. El Lagartillo, Panama. Holotype. ANSP 218924. 



11. Pythinella sublaevis (Carpenter) 238 



Length 1.9 mm. El Lagartillo, Panama. 



