1964] 
Wilson and Taylor — Fossil Ant Colony 
103 
1915. On the presence and absence of cocoons among ants, the nest- 
spinning habits of the larvae and the significance of the black 
cocoons among certain Australian species. Ann. Ent. Soc. Amer., 
8: 323-342. 
1922. Ants of the American Congo Expedition. A contribution to the 
myrmecology of Africa. Bull. Amer. Mus. Nat. Hist., 45: 1-270. 
1929. The identity of the ant genera Gesomyrmex Mayr and Dimor- 
phomyrmex Ernest Andre. Psyche, 36: 1-12. 
Wilson, E. O. 
1953. The origin and evolution of polymorphism in ants. Quart. Rev. 
Biol., 28: 136-156. 
