. Annals of the Lyceum of Natural History of New-York. Science. 58 JS^otes on Species of Corbiculadoe. brownish-olive color and polished, and has, besides occasional markings of black or brown, fine rajs of a lighter shade running from the beaks to the inferior margin. The lunula is not dis- tinct. Compared with Corbicula JPrimeana, Morelet, this species is lighter in texture, more inequilateral, the posterior side is more produced, the beaks are fuller, the hinge is less robust, and the general coloring is not the same. Fig. 2. 2. Corbicula Priineana, Morelet. Cyrena (Batissa) Primeii, Morele
. Annals of the Lyceum of Natural History of New-York. Science. 58 JS^otes on Species of Corbiculadoe. brownish-olive color and polished, and has, besides occasional markings of black or brown, fine rajs of a lighter shade running from the beaks to the inferior margin. The lunula is not dis- tinct. Compared with Corbicula JPrimeana, Morelet, this species is lighter in texture, more inequilateral, the posterior side is more produced, the beaks are fuller, the hinge is less robust, and the general coloring is not the same. Fig. 2. 2. Corbicula Priineana, Morelet. Cyrena (Batissa) Primeii, Morelet (non Morch). Rev. Zool. 480. 1862. C. testa transversim ovata, suba?quilaterali; lateribns rotnndata, solida, nitida, sulcis numerosis et tenuibus regulariter coe- lata; epidermide viridi lutescente, ad umbones fus- cescente induta, maculisqne paucis fusculis obscure notata; umbones obtusi, erosi, apice violaceo ma- culati, antice vix proni; liganientum tumidum, promiiiens, terminale ; margarita livido-violacea. Long. 32 ; lat. 25 ; diam. 16 mill. Hah.—In flumine Che Fou, Chinae Sep- tentrionalis. Collect. Morelet et Prime. The shell is transversely-oval, equilateral, and somewhat solid. The anterior side is rounded. The beaks are moderately full, Corbicula Primeana. though not mRch raiged> The interior is of a brilliant violet color. The cavity of the valves is not deep. The hinge is broad and robust. The sulci are numerous, close, regular, raised, and sharp. The epidermis is greenish, with occasional spots of a darker color. Somewhat allied to Corbicula JHulleriana, but larger, pro- portionately less robust, the beaks are more inflated, the margin above the anterior lateral tooth is less rounded, and the sulci are closer and 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 N
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