. Annals of the Lyceum of Natural History of New-York. Science. 220 Notes on Species of Corbiculadce, more obtuse, the hinge is narrower and more delicate, and the strise are very much more distant. 37. CorblCllIa OCCideflS, Benson. Corbicula occidens, Benson. Asiatic Journal. Biv. Brit. Mus. 223. 1854. Prime Cat. 4. 1863. C. testa ovato-trans versa ; aequilaterali, tumida, tenui; extremitatibus obtusis: umbonibus tumidis, brevibus, incurvis; lunula Fig. 51. ' . . ovato-lanceolata, pallida, laevigata ; valvis intus profunde violascentibus ; epidermide flavescente-viridi, nitente ves- tita, ad
. Annals of the Lyceum of Natural History of New-York. Science. 220 Notes on Species of Corbiculadce, more obtuse, the hinge is narrower and more delicate, and the strise are very much more distant. 37. CorblCllIa OCCideflS, Benson. Corbicula occidens, Benson. Asiatic Journal. Biv. Brit. Mus. 223. 1854. Prime Cat. 4. 1863. C. testa ovato-trans versa ; aequilaterali, tumida, tenui; extremitatibus obtusis: umbonibus tumidis, brevibus, incurvis; lunula Fig. 51. ' . . ovato-lanceolata, pallida, laevigata ; valvis intus profunde violascentibus ; epidermide flavescente-viridi, nitente ves- tita, ad umbones atro-violascente radiata; striis regula- ribus; cardine ano-usto. Corb. occidens. ' ° Long. 17; lat. 14; diam. 9 mill. Hah.—Loco Sikkim dicto, Moredabad, Bengal, Indise. Col- lect. Mus. Brit., Cuming et Prime. The shell is transversely-oval, equilateral, somewhat inflated, and rather slight. The sides are obtuse. The beaks are mode- rately inflated, not large, and they curve inwardly. The lunula is oval and of a lighter color than the rest of the shell. The interior of the valves is dark violet. The epidermis is yellow- ish-green and polished, the beaks exhibit markings of a dark violet color. The strise are regular. The hinge is narrow and slight. Compared with Corb. tumida, it is more equilateral, less inflated, the sides are less obtuse, the beaks are less convex, the hinge is more curved, and the strise are very much closer. 38. Corbicula Bengalica, Deshayes. Corbicula Bengalensis, Deshayes. Proc. Zool. xxii. 344. 1854. Biv. Brit. Mus. 224. 1854. Prime Cat. 4. 1863. C. testa ovato-subtrigona, depressiuscula, tenui, subaequilaterali, obso- lete transversim striata, striis regularibus, distantibus ; epidermide flave6-. 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 (Ne
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