- 3 9 - 



ß. Denticle conspicuously behind the middle of the 

 lateral margin. Eyes conspicuously higher than 

 broad, with constriction. First pair of legs elon- 

 gate, differing from the second. 

 §. Sixth abdominal segment somewhat and gene- 

 rally considerably shorter than the sum of the 

 two preceding segments. 



j. Setee along the lower margin of fifth and sixth 

 joint of second to fourth pair of legs thin, not 

 ciliated, much shorter than some of the termi- 

 nal seta of seventh joint. Terminal process 

 of the copulatory organs not widened towards 

 the truncate end ; proximal process with 

 about the same breadth from the middle to 

 the obliquely truncate end, and the terminal 

 very short part bent somewhat outw T ards, obli- 

 quely truncate with the inner front angle pro- 

 duced into a tooth. T. parva H. J. H. 

 jj. Setse along the lower margin of fifth and 

 sixth joint of second to fourth pair of legs 

 strong, conspicuously ciliated, as long as, or 

 longer than, the terminal setae of seventh joint. 

 Terminal process of the copulatory organs 

 somewhat expanded towards the terminal 

 margin, which is feebly convex and finely 

 serrate along the front side, while the inner 

 distal angle is obtuse but scarcely rounded, 

 the outer acute and produced ; proximal 

 process with a large, triangular, wing-like 

 expansion serrate along the distal margin and 

 occupying the major part of the distal half of 

 the outer margin, while the part beyond this 

 expansion is short, slender, somewhat curved, 

 subacute and with teeth on the outer margin. 



T. gregaria G. O. S. 

 §§. Sixth abdominal segment almost or fully as 

 long as the sum of the two preceding segments. 



(210) 



