Camponotus pennsylvanicus. Magnified four diameters. A winged queen; one major worker 

 (lower right) ; three minor workers; two males (on left), one showing the dorsal side and wings and 

 one the ventral side (lower left ) ; cocoons, with a worker-ant hatching from one of them ; a naked 

 pupa (near major worker) and several larvse. A minor worker is carrying a larva (upper right). 

 Photographed by Mr J. G Hubbard and Dr. O. S. Strong at the Marine Biological Laboratory, 

 Woods Holl. 



