I20 University of Michigan 



Plate XIX 



Trachelodesmus ancylophor, sp. nov. 



Fig. 126. Left ends of colliim and second tergite, view a little lateral 

 of dorsal. yi22- 



Fig. 127. Left keel of iifteenth segment, x 33. 



Droiiwdcsnnts longipcs, sp. nov. 



Fig. 128. Left ends of coUum and second tergite in outline (tubercles, 

 etc., omitted), dorsal view, x 13. 



Fig. 129. Tenth left keel, in outline, dorsal view, x 13. 



Fig. 130. Right side of caudal end in outline, dorsal view (setae of 

 Cauda omitted), x 13. 



Fig. 131. Antenna (male type), in outline, x 13. 



Fig. 132. Left gonopod. ventral view. 'i^2>2>- 



Fig- 133- Anal scale. 



