. Annals of the Lyceum of Natural History of New-York. Science. 72 Notes on Species of Corbicula Sayana. angusto; striis regularibus; epidermide viridescente, nitente vestita; Fig 19 lunula nulla. Long. 20 ; lat. 16 ; diam. 10 mill. Ilab.—Insulae Philippinenses. Collect. "Wheatley et Prime. The shell is somewhat slight, transversely oval, subtrigonal, compressed, and nearly equi- lateral. The anterior side is rounded and the posterior is longer and obtuse. The beaks are small and not much raised. The interior is blackish-violet and very highly polished on the margins. The h
. Annals of the Lyceum of Natural History of New-York. Science. 72 Notes on Species of Corbicula Sayana. angusto; striis regularibus; epidermide viridescente, nitente vestita; Fig 19 lunula nulla. Long. 20 ; lat. 16 ; diam. 10 mill. Ilab.—Insulae Philippinenses. Collect. "Wheatley et Prime. The shell is somewhat slight, transversely oval, subtrigonal, compressed, and nearly equi- lateral. The anterior side is rounded and the posterior is longer and obtuse. The beaks are small and not much raised. The interior is blackish-violet and very highly polished on the margins. The hinge is narrow, rounded, and rather delicate. The striae are very regnlar. The epidermis is greenish and polished. The lunula is wanting. Very closely allied to Corbicula Manillensis, it is however less equilateral, less inflated, transversely less rounded, the pos- terior side is more produced, the beaks are less full, and the strise are closer. Compared with Corbicula striatella, from In- dia, it is a little slighter, more elongated, and not so oval. 18. Corbicula Crosseana, nov. spec. C. testa ovato-transversa, inllata, subaequilaterali; umbonibus tumi- FlG go. dulis; latere antico rotundato, postico subobtuso ; margarita violacea; cardine incrassato, arcuato; sulcis elevatis, regularibus; epidermide pallide viridi-fuscescente, subnitente induta ; lunula indis- tincta. Long. 25; lat. 21 ; diam. 11 mill. Ilab.—Insulae Philippinenses. Collect. "Wheatley et Prime. The shell is transversely oval, inflated, and subequilateral. The anterior side is corbicula Crosseana. rounded and the posterior somewhat obtuse. The beaks are small and inflated, and when eroded show a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyceum of Natural History (New York, N. Y. ). New-York :
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