HETEROGONY, MOULTING, AND DIMORPHISM 77 



the corresponding ratio for elytron-length is i-6.) Secondly, 

 the range of the male's body-size is much greater than that 



Fig. 43. — Heterogony and moulting of the 3rd pair of legs of the mite, Analges 



accentor inns. 



Above : (1) large male with relatively huge 3rd legs ; (2) small male with 3rd legs of the same 

 relative size as in females ; (3) small male in which the onset of heterogony has apparently taken 

 place earlier, giving slightly enlarged 3rd legs. Below : the 3rd legs of the 3 forms, showing details. 



of the female's, though both start at the same minimum size 

 (16 mm.) : the largest males have bodies 40 mm. long, the 



