Occasional Papers of the Musenni of Zoology i r 



others being beneath, the end of the collum being inflexed^ 

 the uppermost stria more widely removed from the second 

 than the other two are from each other. 



Striation of segments as usual. Caudal margins of meta- 

 zonites serrate in correspondence to the striae below, the ser- 

 ration weak on the sides. 



Setigerous papillae of last tergite 3-i-3> ^s usual, the setae 

 moderate. 



First, second and third legs of male as shown in PI. 6,. 

 Figs. 35. 36, and PI. 5, Figs. 32 and 33. 



Gonopods of male as shown in PI. 5, Fig. 34. 



Xumber of segments : male, 47 to 49 ; female paratype, 54.. 



Length of female, about 25 mm.; width, 1.8 mm. \\'idth 

 of male, 1.5 mm. 



Colombia. ^More definite locality not known. 1913. One 

 male (type) and one female. 



Also Colombia: Summit of San Lorenzo, 8,500 feet; July 

 2T^, 1913. A male and female. Holotype, M. C. Z., 5,054. 



Stemmiulus ruthveni, sp. nov. 

 PI. 7, Figs. 46-48; PI. 8, Figs. 49-52 



Body fulvous vcntrally over most of sides and in a mid- 

 dorsal line, the latter widening triangularly caudad on each 

 segment : the dorsum elsewhere dusky brown, the same color 

 also extending on each segment down the anterior border. 

 Last tergite dusky, excepting a pale caudal border on each side. 

 Collum with posterior border dark and also a dark anterior 

 band just back of a narrow, pale border; the collum in general 

 elsewhere pale with a network of dark lines. Head fulvous 

 below level of antennae, blackish between antennae and eyes- 



