NEUTER INSECTS. 27 



and has jaws nearly five times as long. In 

 another case " the workers of one caste alone carry 

 a wonderful sort of shield on their heads." One of 

 the three neuter classes in the leaf-cutting ants 

 has a single eye in the midst of its forehead. 

 In certain Mexican and Australian ants some of 

 the neuters have huge spherical abdomens, which 

 serve as living reservoirs of honey for the use 

 of the community. In the equally wonderful 

 case of the termites, or so-called " white ants " 

 (which belong, however, to an entirely different 

 order of insect from the ants and bees) the neuters 

 are blind and wingless, and are divided into 

 soldiers and workers, each class possessing the 

 requisite instincts and structures adapting it 

 for its tasks. \Seeing that natural selection can 

 form and maintain the various structures and 

 the exce'edingly complicated instincts of ants and 

 bees and wasps and termites in direct defiance 

 of the alleged tendency to use-inheritance, surely 



