Photo by Mr. J. G. Hubbard and Dr. O. S. Strong 



PORTION OF A COLONY OF Campouotus americanus at The; height of thf brffding 



SFASON 



a, egg; h, young larvae; c, older larvae; d, worker cocoons; e, queen cocoon; /, worker 

 major pupa removed from cocoon; g, worker media, in the act of hatching; h, major 

 workers ; i, minor workers ; k, virgin female, or queen ; /, males. Magnification about two 

 diameters. 



73S 



