206 
Psyche 
[September 
hypotheses to answer this question. When one considers 
the influence of nutritional factors upon the production of 
abnormal forms (especially among the arthropods), it is 
quite possible that the suggestion made by LaMeere (1909) 
considering nutritional factors as influencing the origin 
of castes among the ants may be of greater significance 
than has been hitherto suspected. 
Literature Cited 
Forel, A. 1894. Les Formicides de la Province d’Oran. 
Bull. Soc. Vaud. Sc. Nat. 30:1-45. 
1902. Myrmicinse nouveaux de l’lnde et de Ceylon. 
Rev. Suisse Zool., T. X., 1902, p. 165-249. 
LaMeere, A. 1909. L’Origine des Societies d’lnsectes. 
Ann. Soc. Ent. Belg. 53, pp. 507-515. 
Tulloch, G. S. 1930. An unusual nest of Pogonomyrmex. 
Psyche, Vol. XXXVII, No. 1. 
Wheeler, W. M. 1905. The Ants of the Bahamas. Bull. 
Amer. Mus. of Nat. Hist. Vol. XXI. 
1917. The Phylogenetic Development of Subapterous 
and Apterous Castes in the Formicidse. Proc. Nat. 
Acad, of Sci., Vol. 3, pp. 109-117. 
