Volume 27 [36 articles]
All | 1-10 | 11-20 | 21-30 | 31-36
- Notes on Forest Insects. III. Two New Species of Pityophthorus From Colorado., M. W. Blackman
Volume 27 (1920), Issue 1, Pages 1-5 - Hymenoptera Collected Near Boston, Mass., With Description of a Variety of Bombus Affinis, J. Bequaert
Volume 27 (1920), Issue 1, Pages 6-12 - The First Stage Larva of Cuterebra Americana (Fabr.) (Diptera; Oestridæ), G. F. Ferris
Volume 27 (1920), Issue 1, Pages 13-14 - A Revision of the Species of the Genus Loxocera, With a Description of a New Allied Genus and a New Species, Charles W. Johnson
Volume 27 (1920), Issue 1, Pages 15-19 - Proceedings of the Cambridge Entomological Club
Volume 27 (1920), Issue 1, Pages 19-20 - Entomological Notes From: The Museum of Comparative Zoology
Volume 27 (1920), Issue 1, Pages 20-20 - A Comparison of the External Anatomy of the Lower Lepidoptera and Trichoptera From the Standpoint of Phylogeny, G. C. Crampton
Volume 27 (1920), Issue 2-3, Pages 23-34 - A Comparison of the Genitalia of Male Hymenoptera, Mecoptera, Neuroptera, Diptera, Trichoptera, Lepidoptera, Homoptera, and Strepsiptera, With Those of Lower Insects, G. C. Crampton
Volume 27 (1920), Issue 2-3, Pages 34-45 - The Subfamilies of Formicidæ, and Other Taxonomic Notes, William Morton Wheeler
Volume 27 (1920), Issue 2-3, Pages 46-55 - Odonata of Chatham, Massachusetts, R. Heber Howe, Jr.
Volume 27 (1920), Issue 2-3, Pages 55-58
