Mttes hijurious to Do^nestic Animals. 53 



Fig. 36. 



Hypopial or travelling nymphs of Tyroglyphidae (p. 70), xc. 150. 

 (After Michael.) 



Fig. 37. 



Tyroglyphus longior, var. castellanii (p. 71), dorsal and ventral aspects of 

 male, x 97. (After Castellani and Hirst, Journ. Trop. Med. and Hyg.) 



