On the preparation and preservation of insects, with particular reference to Coleoptera, by J. Manson Valentine. (Smithsonian miscellaneous collections, v. 103, no. 6) (Publication 3696)
On the preparation and preservation of insects, with particular reference to Coleoptera, by J. Manson Valentine.
(Smithsonian miscellaneous collections, v. 103, no. 6) (Publication 3696)