The natural density ofMyrmica Rubra and associated ants in West Scotland M. V. Brian Mémoires Originaux Pages: 473 - 487
Notes on the ant genus Holcoponera Mayr, with descriptions of two new species William L. Brown Jr. Mémoires Originaux Pages: 489 - 497
Les facteurs qui gouvernent la ponte chez la reine des Abeilles Chauvin Mémoires Originaux Pages: 499 - 504
Observations on the gastral digestive tract in the male Carpenter ant,Camponotus Pennsylvanicus degeer (Formicidae, Hymenoptera) James Forbes Mémoires Originaux Pages: 505 - 511
Beobachtungen ueber die Gynandromorphen Honigbienen, mit besonderer Beruecksichtigung ihrer Handlungen innerhalb des Volkes Shoichi F. SakagamiHiroya Takahashi Mémoires Originaux Pages: 513 - 529
Some factors affecting the survival of odontotermes Badius W. A. Sands Mémoires Originaux Pages: 531 - 536
The foraging behavior of honeybees on hairy vetch foraging methods and learning to forage Nevin Weaver Mémoires Originaux Pages: 537 - 549
International Union for the study of social insects north American section Nouvelles de l'Union Pages: 561 - 562