A Monograph of the Fluviatile Bivalve Shells of the River Ohio Microform Cont
A Monograph of the Fluviatile Bivalve Shells of the River Ohio Microform Cont
Rafinesque, C. S. (Constantine Samuel), 1783-1840
The book A Monograph of the Fluviatile Bivalve Shells of the River Ohio Microform Cont was written by author Rafinesque, C. S. (Constantine Samuel), 1783-1840 Here you can read free online of A Monograph of the Fluviatile Bivalve Shells of the River Ohio Microform Cont book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Monograph of the Fluviatile Bivalve Shells of the River Ohio Microform Cont a good or bad book?
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Fourth Sub-Genus ROTUNDARIA. Shell rounded, scarcely transversal, almost equilateral ; axis almost medial; ligament curved, short, corneous/ lamellar tooth slightly curved ; cardinal tooth somewhat anterior. 44 SPECIES XXXVII. Obliquaria tuberculata (Unio tuberculata. '] Shell very thick, ventricose, slightly truncated posteriorly ; strewed with unequal tubercles, ex- cept anteriorly ; epidermis wrinkled, chestnut brown ; nacre violaceous. Length | diam. T 6 T axis T 5 T of the breadth. A speci...es common in the Ohio and adjacent rivers ; breadth three inches at most ; animal yellowish ; cardinal tooth thick ; very rugose ; lamellar tooth short, carinated ifossule confluent ; muscular impressions deep; nacre varies from bluish to deep purple. SPECIES XXX VII I. Obliquaria Subrotunda (Unio subrotunda. ) Shell thick, ventricose, convex, perfectly rounded ; epidermis almost smooth, yellowish brown ; nacre bluish white. Length almost equal to the breadth; diam. F axis T 7 F of the breadth. Var.
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