22 



James Waterston, 



These g-enitalia belong to a primitive (?) and well defined type 

 wliicli consists of 9 parts, 3 paired + 3 Single. The "basal- 

 plate", the "paramera" and the ''penis" are already separately 

 named. We have used here in addition three terms, en dorn er, 



Fig. 



A. 



Fig. B. 



Fig. A. Male geiiitalia of Docophorus humeralis Denny (from above). 

 Fig. B. Male geuitalia of Docophorus cordiceps Piaget (from above). 



t tergite. h. p basal plate. p.m paramerou. e.m endomerou. st sternite. 

 t. m telomeron. h. m hypomeron. pen penis. 



t e 1 m e r , h y p o m e r , which should be self-explaining. The e n d o - 

 mers are so closely associated as to be practically one bilaterally 

 sj^mmetrical piece. The telomers as a rule are independeut but 

 sometimes (as above) appear almost fused. We have not yet found 

 the Single process (hypomer) beneath the penis at the level of 



the posterior 



edge 



of the endomers, of much taxonomic value by 



