PLATE LXVI 



Figure 1. Phthirus pubis, S. x 64. 



Figure 2. The tibia and tarsus of the hind leg of Haematopinus 



tuberculatiis. cl., claw, ts., tarsus, pts., pretarsal 



sclerite. tb., tibia, x 80. 

 Figure 3. Ventral surface of the posterior end of abdomen of 



H. (LiuQgnathus) vituli, 9 . gp., gonopodes. 

 Figure 4. The same of Haematopinns tuberculatus. 

 Figure 5. Pediculus capitis, de Geer, ? . x 35. 

 Figure 6. Outline of the posterior end of the abdomen of 



Pediculns vestimenti, 3 , to show the penis. Compare 



with the previous figure. 



