Volume 38 [26 articles]

• The Genitalia and Terminal Structures of the Male of the Archaic Mecopteron, Notiothauma Reedi, Compared With Related Holometabola From the Standpoint of Phylogeny, G. C. Crampton
  Volume 38 (1931), Issue 1, Pages 1-21
• Two New Species of Fungus Gnats of the Genus Apemon, Charles W. Johnson
  Volume 38 (1931), Issue 1, Pages 22-24
• A New Name for Nebria Vandykei Darlington, P. J. Darlington Jr.
  Volume 38 (1931), Issue 1, Pages 24-24
• An Interesting Copy of Wiedemann's Diptera Exotica, Charles W. Johnson
  Volume 38 (1931), Issue 1, Pages 25-26
• Some Preliminary Notes on the Genus Ephemerella, Anne Louise Steger
  Volume 38 (1931), Issue 1, Pages 27-35
• Hyperaspis Paludicola SZ., C. A. Frost
  Volume 38 (1931), Issue 1, Pages 35-35
• Notes on Some Moths Collected at Silver Lake, Chesham, New Hampshire, Alexander B. Klots
  Volume 38 (1931), Issue 1, Pages 36-37
• Mosquito Control in Massachusetts, George S. Tulloch
  Volume 38 (1931), Issue 1, Pages 38-40
• The Biology of the Mecoptera, Frank M. Carpenter
  Volume 38 (1931), Issue 1, Pages 41-55
• Some Oriental Neuropteroid Insects, Nathan Banks
  Volume 38 (1931), Issue 1, Pages 56-70