34 University of Michigan 



Gonopods of male as shown in PI. 15, Figs. 101-103. 



Number of segments, male type, 58; female, 57 to 62. 



Length, female, to near 150 mm.; width, 8 mm. Length 

 of male type, about no mm.; width, 7 mm. 



Colombia : San Lorenzo. Under leaves, 2,000 feet to 

 3,000 feet. July 16, 1913; F. M. Gaige. One male and four 

 females. Also along trail, between 2,500 and 3,000 feet. July 

 7, 1913; M. A. Carriker. Two males. At 2,000 feet; July 

 24, 1913 ; one male. 



Colombia: San Lorenzo. At edge of clearing; 4,500 feet; 

 July 9, 1913. A female and a variant male. At 4.500 feet: 

 in leaf-cutter ant's nest; one female. July 16. 1913. 



Holotype, M. C. Z., 5,103. 



Orthoporus foliatus, sp. nov. 

 PI. 16, Fig. 105 



General color deep olive brown. In the more anterior seg- 

 ments there is a very distinct light fulvous to fulvoferruginous 

 l)and about caudal portion of metazonite, the extreme caudal 

 border of which, however, is darkened. The light band becomes 

 somewhat less distinct going caudad ; in middle region on 

 dorsum it is obviously less than one-third the total length of 

 metazonite. Legs reddish brown. 



Vertigial sulcus distinct. Eyes in type with ocelli in 

 eight series, 83 in number; c. g., 15, 14, 14, 11, ir, 1 1, 4, 3. 

 Area behind au*^enna and below eye characterized by having 

 a rather broad inferior border which is smooth, the region 

 above it roughened by an oblique ruga or ridge from each 

 side of which others extend like the veins of a leaf from the 

 midrib. (See PI. 16, Fig. 105.) 



The lower anterior angle of the collum is carried some- 



