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PROCEEDINGS OF THE NATIONAL. MUSEUM 



VOL. 86 



converging backward to the hind margin of segment 4, which is only 

 iwo-thirds as wide as the widest part of segment 1; ensuing seg- 

 ments abruptly larger. First six segments shown in dorsal view 

 in figure 18, e. 



From segment 5 to the caudal end of the body the posterior sub- 

 segments are conspicuously raised above the anterior subsegments 

 and are more convex, with a low, tumid swelling on each side of the 

 middle and a lateral swelling or prominence bearing the pore (fig. 18, 

 /). Pores beginning on segment 5, small and lacking an encircling 

 rim. 



Figure 18. — Endere disora, now genus and species : a, Antenna ; b, anterior portion of 

 head ; c, gnathochilarlum ; d, head and first five segments, lateral view ; e, first six 

 segments from above ; /, midbody segment, posterior view. 



Last segment long, the apex even with the valves; setae of inde- 

 terminate number have been rubbed off. 



Anal valves moderately inflated and meeting in a broad, deep 

 groove. 



Preanal scale a transverse ellipse; the process on each side large. 



Males unknown. 



