A treatise on insects injurious to gardeners, foresters, and farmers / by Vincent Köllar ... ; Translated from the German, and illustrated by engravings by J. and M. Loudon. With notes by J. O. Westwood.

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A treatise on insects injurious to gardeners, foresters, and farmers / by Vincent Köllar ... ; Translated from the German, and illustrated by engravings by J. and M. Loudon. With notes by J. O. Westwood. Public Domain Mark. Source: Wellcome Collection.