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WILLIAM MORTON WHEELER. 



latter dotting the somber mass of intertwined brown-red bodies, 

 legs and antennae with their large shining, ivory-white heads. 

 The mass hung down to the ground but left a small opening at the 

 bottom on the west side, a kind of portal, through which the 



FIG. 2. Bivouacking colony of Eciton hamalum. The minute white dots are 

 the heads of the soldiers scattered through the suspended mass of workers. Photo- 

 graph by Dr. Frances G. Smith. 



converging bootyladen files of workers and soldiers were con- 

 tinually pouring to deposit their burdens in the center of the mass 

 and on the ground immediately beneath it. 



At my request, Miss F. G. Smith, who happened to be visiting 

 the laboratory, kindly undertook to photograph the colony, and 

 later Dr. Fairchild took a more enlarged flash-light picture. 

 Considering the fact that the ants were clustered in a dark spot, 

 the two photographs, which are shown in Figs. 2 and 3, give a 

 good likeness of the shape of the cluster and of its composition. 

 The blurred areas in Fig. 3 are, of course, due to the movements of 

 several workers on its surface. 



