![A Taxonomic Study of the Larvae of West African Simuliidae (Diptera: Nematocera) with Comments on the Morphology of the Larval Black-Fly Bird.by R. W. Crosskey;A Revisional Study of the Bees of the Genus Perdita F. Smith, with Special Reference to the Fauna of the Pacific Coast. (Hymenoptera, Apoidea). Part IV.by P. H. Timberlake]()
A Taxonomic Study of the Larvae of West African Simuliidae (Diptera: Nematocera) with Comments on the Morphology of the Larval Black-Fly Bird.by R. W. Crosskey;A Revisional Study of the Bees of the Genus Perdita F. Smith, with Special Reference to the Fauna of the Pacific Coast. (Hymenoptera, Apoidea). Part IV.by P. H. TimberlakeReview by: Karl V. Krombein · The Quarterly Review of Biology · 1961