I 50 W. M. WHEELER AND J. F. M^CLENDON. 



This flight, especially in the case of L. latipes, presents a 

 beautiful spectacle. At the moment when the great swarming 



FIG. I. A, Lasius claviger Roger \ B, f-fsius latifes Walsh a- 9 ; C, L. 

 latipes [1- J . The wings are omitted. 



impulse seizes the colony, the shining amber-yellow workers, 

 together with the hosts of sable males and large tawny-red 

 females, break in a flood from the main openings of the nest. 



