264 



MR. B. F. CUMMINGS ON LICE 



a patch of minute hairs, ten in number. Tips of gonopods with- 

 several elongate bristles and a patch (situated chiefly on the- 

 doisal surface of the gonopod) of smallish thin hairs. Pleura 

 of segments 3 and 4 with a single long biistle each. Those o£' 

 segments 5, 6, 7, and 8 each with two. 



Text-fifiure 5. 



Ps.P 



Ziinognathus pithodes. Male copulatoiy apparatus. X 178. 

 The parameres have been pulled apart. 



BF. Basal plate ; End. endomere ; F. penis ; Par. paramere ; 

 Ps.P. pseudo-penis. 



Coloratio7i. — The thicker parts of the exoskeleton are of so 

 warm brown colour, as, for example, the band on the anterior 



