﻿CONTENTS. 



The Edible Crab of Maryland, &c Philip R. Uhler. 73 



Sexual .Variation in the Genus Leucosticte J. A. Allen. 76 



Vegetable and Animal Cellulose Thomas Taylor. 79 



Flora Columbiana 86 



Cleanings in Foreign Fu.ld.s 88 



Sardine Fisheries. — New Remedies for the Phylloxera. — Fungi. — Curious Fact 



concerning a Frog. 



Our Book Shelf 90 



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