Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . 4^ mJ 1. Melanophila. 4. Details of Willow Saperda. 2, 2a, 3. Xylotrechus , 6. Hemlock borei-s. Report V, U. S. Entomological Commission. Plate mx All m

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin