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Contents: The fishes of West Virginia, by Jay R. Stauffer, Jr., Jeffrey M. Boltz, and Laura R. White; Advances in the systematics of “Erhaia” (Gastropoda: Pomatiopsidae) from the People’s Republic of China, by George M. Davis and Zai Bin Kang; Previously unfigured type specimens of fossil fish, reptiles, and mammals in the Academy of Natural Sciences of Philadelphia, by Earle E. Spamer and Edward Daeschler; Notes on the muraenid genera “Strophidon,” “Lycodontis,” “Siderea,” “Thyrsoidea,” and “Pseudoechidna,” with a redescription of “Muraena thyrsoidea” Richardson 1845, by Eugenia B. Bohlke. Studies on the general “Gyrosigma” and “Pleurosigma” (Bacillariophyceae): “Gyrosigma acuminatum” (Kutzing) Rabenhorst, “G. spenceri” (Quekett) Griffith, and “G. rautenbachiae” Cholnoky, by F.A. S. Sterrenburg. Illus.
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