. Annals of the Lyceum of Natural History of New-York. Science. Notes on Species of Corbiculadce. 223 in which this species is found, but have very little doubt as to its coming from some part of Asia. I take much pleasure in the dedication of this species to Dr. Wm. Stimpson. 41. Corbicula vulgaris, now spec. Fig. C. testa trigona, subaequilaterali, compressiuscula; latere antico Ion giore, rotundato, postico obtuso ; umbonibus bre- vibus, approximatis, incurvis; dense et irregu- lariter striata; epidermide olivacea subnitente induta; lunula laevigata; pagina interna pallide violacea, ad
. Annals of the Lyceum of Natural History of New-York. Science. Notes on Species of Corbiculadce. 223 in which this species is found, but have very little doubt as to its coming from some part of Asia. I take much pleasure in the dedication of this species to Dr. Wm. Stimpson. 41. Corbicula vulgaris, now spec. Fig. C. testa trigona, subaequilaterali, compressiuscula; latere antico Ion giore, rotundato, postico obtuso ; umbonibus bre- vibus, approximatis, incurvis; dense et irregu- lariter striata; epidermide olivacea subnitente induta; lunula laevigata; pagina interna pallide violacea, ad raargines pallide castanea ; cardine incrassato. Long. 27; lat. 25 ; diam. 16 mill. Hab.—? Collect. Prime. Corbicula vulgaris. The shell is trigonal, subequilateral, and somewhat com pressed. The anterior side is produced and. rounded, the pos- terior is short and obtuse. The beaks are small and approxi- mate, and they curve inwardly. The striae are fine, numerous, and irregular, more especially so on the posterior end. The epidermis is of a light olive color. The lunula is not conspicu- ous, though lighter than the rest of the shell. The interior of the valves is of a pale violet and light chestnut on the margins. The hinge is broad and curved. This species, which comes probably from China, is very closely allied to both Corb. Largillierti and Corb. suloatina. Compared with Corb. Largillierti it is smaller, less inflated, and the beaks are not so large, nor so much swelled, the color of the epidermis also is not the same. It differs from Corb. suloatina in being more oblique, and in being transversely much shorter ; the hinge margin is also much more 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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