Miscellaneous papers: 1, Supposed relationship of white snakeroot to milksickness, or trembles, by Albert C. Crawford; 2, Mountain laurel, a poisonous plant, by Albert C. Crawford; 3, Results of loco-weed investigations in field, by C. Dwight Marsh, Laboratory work on loco-weed investigations, by Albert C. Crawford; 4, Sources of arsenic in certain samples of dried hops, by W. W. Stockberger; 5, Apple leaf-spot caused by Sphaeropsis malorum [with bibliography], by W. M. Scott and James B. Rorer; 6, Immunity of Japanese chestnut to bark disease, by Haven Metcalf.

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