THE SPRUCE GALL APHID (Adelges Abietis Linnaeus) in Southern Michigan. University of Michigan, School of Forestry and Conservation, Circular No. 2.

University of Michigan Press: Ann Arbor, 1937. Item #96-9258

9 x 6, wrappers, 35 pp, 8 figures, bib, library stamps to front wrapper, upper fore corner bumped. FIRST ED.

Price: $10.00

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