66 Mites Injurious to Domestic Animals. 



(a) Fenis of Demodex cati. (b) Early larva of J). 60OT.9. (c) Tip of 

 penis of D. bovis, very greatly enlarged, (d) End of same as it 

 appears when protruding from sexual orifice, (e) Penis of D. bovis, 

 showing its entire length. (After Hirst, Studies on Acari, no. 1.) 



Fig. 54. 



Anterior end of Deni,rniy.isu.'< (p. 87), showing chelicerae in situ. 

 (After Hirst, .Journ. Zool. Res., 1916.) 



