Volume 66 [12 articles]

• The Habits of Pheidole a Militicida Wheeler (Hymenoptera: Formicidae), Wm. S. Creighton and Martha P. Creighton
  Volume 66 (1959), Issue 1-2, Pages 1-12
• The Spider Genus Styposis (Araneae, Theridiidae), Herbert W. Levi
  Volume 66 (1959), Issue 1-2, Pages 13-19
• Fossil Nemopteridae (Neuroptera), F. M. Carpenter
  Volume 66 (1959), Issue 1-2, Pages 20-24
• The Release of Alarm and Attack Behavior in Some New world Army Ants, William L. Brown Jr.
  Volume 66 (1959), Issue 1-2, Pages 25-27
• Communication by Tandem Running in the Ant Genus Cardiocondyla, Edward O. Wilson
  Volume 66 (1959), Issue 3, Pages 29-34
• Carpophilus Longiventris in Saguaro Blossoms (Coleoptera: Nitidulidae), F. G. Werner
  Volume 66 (1959), Issue 3, Pages 35-36
• Emelinus Melsheimeri (LEC.) in Arizona (Coleoptera: Aderidae), F. G. Werner
  Volume 66 (1959), Issue 3, Pages 36-36
• The Neotropical Species of the Ant Genus Strumigenys Fr. Smith: Group of Gundlachi (Roger), William L. Brown Jr.
  Volume 66 (1959), Issue 3, Pages 37-52
• William M. Mann, William M. Mann
  Volume 66 (1959), Issue 4, Pages 55-59
• Some New Synonymy in the Haemogamasidae, Laelaptidae and Diplogyniidae Indicated by an Examination of Banks' Types of Mesostigmata (Acarina), Donald E. Johnston
  Volume 66 (1959), Issue 4, Pages 60-62