JOURNAL OF ENTOMOLOGY AND ZOOLOGY 85 



only two or three to a segment except at the posterior end, 

 where there are numerous long, straight bristles ; segments 

 somewhat fused; finely granular. Antennce — Shorter than 

 head, segments subequal. Eyes — Wanting. Postantennal organ 

 (Fig. 3, D) — Present, consisting of a transverse groove with 

 four rows of tubercles with more than twenty in each row; 

 around the outside in some of the specimens there is a band of 

 modified tubercles which surround the organ. PseudocelU (Fig. 

 1) — Present, one at the base of each antenna, two on posterior 

 end of head, two on each segment of the body except the last 

 one. Legs (Fig. 3, K) — Short, stout, with one stout claw 

 slightly curved. Anal horns (Fig. 3, G) — Two, situated on 

 papilla? which are separated at tlie base; longer than the 

 papilla^ and about the same length as the claw. 



(Contribution from the Zoological Laboratory of Pomona College.) 



