'988 



MR. STANLEY HIRST ON 



of minute circles on it near the lateral margins, and sometimes 

 also two additional pairs of rather indistinct circles situated 

 nearer the middle of the plate. Genital operculum very small and 

 situated between the third coxse. Genito-ventral plate very small, 

 narrow and wedge-shaped in outline, the posterior end being 

 pointed. Peritreme very short. Hairs on venter few in number 

 and exceedingly minute and inconspicuous. There is a pair just 

 behind the posterior end of the genito-venti-al plate and also 

 three pairs at the posterior end of the venter. Tliere are also a 



Text-figure 14. 



iPeriglischrus interruptus Kolennti, $ . Ventral view. 

 a. End of tarsus of leg of same showing pulvillus. 



number of minute circles which do not seem to be provided with 

 hairs. Coxao of legs without spurs ; they are rather curiously 

 shaped (see text-fig. 14), the outer posterior angle of the third 

 coxa being strongly chitinized and projecting somewhat, whilst 

 the same part of the fourth coxa forms a long narrow strip. 

 Numerous hairs and setae of moderate length are present on the 

 dorsal surface of the legs, including a noticeably long hair on the 

 femur and another on the patella of the first leg. Ventral 

 surface of legs almost hairless, except the tarsi which bear a 

 number of hairs. Pulvillus of legs peculiar in shape ; there is a 



