310 CELL INTELLIGENCE THE CAUSE OF EVOLUTION 



been mislead and have classed them as entirely different 

 insects. Thus the queen, the male and the worker of 

 Typhlopone are now known, but until comparatively 

 recently the queen was put in one genus (Dicthadia) the 

 male in another (Dorylus) and the worker yet in another 

 (Typhlopone) and this mistake was made by skilled 

 entomologists, who were misled by the enormous differ- 

 ence in the structure of the three kinds of individuals. 

 The male has well developed eyes while the worker has 

 none. 



"The polymorphism among social ants and bees has 

 been the subject of much argument and has produced a 

 great deal of speculation. We are not here concerned 

 with such questions as how polymorphism has arisen. 

 It is sufficient to emphasize the fact that the potentiality 

 of producing the various morphological characters pe- 

 culiar to the different forms of workers, to the males and 

 to the queens, must be present in the eggs of the queen, 

 though neither she herself nor any direct ancestor has 

 possessed those that appear regularly in the workers. 

 Among the honey ants (myrmecocystus) some workers 

 are used by the others as reservoirs for honey. These in- 

 dividuals remain in the nest clinging to the roughened 

 ceilings of certain galleries. In the other galleries the 

 ceilings are smooth. They remain in this position for 

 the rest of their lives. Beforehand they feed on honey 

 for some time and when they have eaten as much as they 

 can, take up their positions in the nest. Here the other 

 ants feed them with honey until they are distended to 

 many times their normal size. Honey is not procurable 

 at certain seasons of the year and the stored honey is 

 regurgitated by these individuals as it is required to feed 

 the larvae and workers. It is obvious that nothing of 

 this kind can ever happen to the queen. 



