840. Trenton Nat. Hist. Soc., Journal of. Vol. I, Nos. 1, 2 and 3. Vol. II, Nos. 1 and 2. Trenton, 1886 to 1891, complete, all published. In original paper covers. Entirely out of print. The first vol., part 3, contains Dr. Alfred C. Stokes's History of the Fresh Water Infusoria of the U. S., pp. 71 to 319, illus. by 13 plates of nearly 250 figures. Other articles are by the Professors Apgar, Ernst Volk, F. A. Lucas, etc. Vol. II, No. 2, is devoted to Prof. Apgar's Mollusks of the Atlantic Coast of the U. S., south to Cape Hatteras. The set, $4.75

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