662 



MR. B. r. CUMMINGS OX LICE 



tliese lateral bands the median area of the plate is trough-shaped. 

 Just behind the mesosome lies a small median plate, which sends 

 off' a bi'anch on each side behind into each lateral region of the 

 basal plate. Parameres : Quite evenly rounded rods, tapering 

 somewhat towards the distal end and curving slightly inwards. 

 Mesosome : Fused into one piece, shaped as in text-fig, 16. Half- 

 Avay down on each side, projecting in a forward direction, is 



Text-figure 14. 



JSfeophiloptertis tricolor. Male copulatory apparatns. X 140. 



BP. basal plate. LE. lower endomere. E. endonieie. P. paramere. 



Fen. penis. 



a strong bristle set in a well-marked alveolus. These two 

 bristles mark the eiid of the endomeral portion of the mesosome ; 

 between it and the distal half or telomeral portion a distinct 

 suture can be observed. In the dissection of a new species of the 

 genus collected on Carphibis spinicollis (Jameson) the ei:idomeral 



