134 



NOVITATES ZOOLOGICAB XXIII. 1916. 



The female armature is very simple. The eighth segment, which is covered 

 by the seventh, is strongly chitinised in all the species, non-scaled, glossy, deep 

 brown, both the dorsal plate and the ventral one. The latter bears the distinctive 

 characters, which are slight, but appear to hold good. In dryas the eighth sternite 

 (text-fig. 41) has a smooth edge, which is slightly incrassate in the centre, the 

 corners of the plate being either somewhat acuminate or rounded, not bearing 

 a distioct tooth. 



Fig U 



Text-fig. 14. — Syclicsia dryas dryas, ventral view. 

 „ „ 15. — „ „ tupus, „ „ 



According to the genital armature of the male, S. dryas consists of two 

 subspecies : 



a. S. dryas dryas Cram. (1775) (text-figs. 11-14, 41) 



Harpe of S with three apical lobes, the upper one compressed, pale, and 

 polished, directed upwards. 



French Guiana, Surinam, Canra River (southern affluent of the Orinoco), 

 Upper Amazons, Peru and Bolivia. 



