214 SANTAREM. Cnap. VIII. 
have found by dissection imperfect males and females in each of the 
castes. The correctness of his observations is doubted by competent 
judges ;* if his conclusion be true, the biology of Termites is indeed 
a mystery. 
winged soldiers. I always found the beaked individuals to be of the fighting caste ; with 
regard to winged soldiers and other curious forms of pupz which have occurred, they 
are probably either monstrosities, or belong to species having a peculiar mode of 
development. I did not meet with such ; I found, however, a species whose soldier 
class did not differ at all, except in the fighting instinct, from the workers. 
* ¢ Gerstaecker, Bericht iiber den Leistungen, etc., der Entomologie,” 1856, p. 6. 
Hagen, Linnea Entomologica, 1858, p. 24. 
