Occasional Papers of the A^iiseiun of Zoology 19 



Collum strongly narrowed down the sides, each lower end 

 moderately inflexed, rounded, the anterior corner more widely 

 convex than the posterior. }*Iargined below and up the front 

 to eyes ; above margining sulcus typically five striae, of which 

 the second and third from the uppermost are complete, while 

 the others may be more or less interrupted in the middle region, 

 giving the appearance of seven or more distinct but mostly 

 incomplete striae. (See PI. 10, Fig. 68.) 



Segments deeply constricted; smooth, excepting below, 

 where striate as usual. Pore widely removed from furrow. 



Gonopods of male as shown in PI. 11, Fig. 69. 



Number of segments of male, 47 ; of female, 54. 



Width of female, 1.4 mm.; of male, 1.2 mm. 



Colombia: San Lorenzo, 2,500 feet; July 15, 1913. "Under 

 leaves and logs." One male and one female. Holotype, M. 

 C. Z., 5,070. 



Typhlonannolene, gen. nov. 



Gnathochilarium as in Epinannolene. Mandibles with nine 

 to ten pectinate lamellae. Eyes, none. Repughatorial pores 

 beginning on the fifth segment. Character of male gonopods 

 unknown. 



Genotype, T. adaptiis, sp. nov. 



Typhlonannolene adaptus, sp. nov. 

 r'l. II. Figs. 71-73 



General color brown, the body distinctly annulate, the ante- 

 rior portion of prozonites and the caudal portion of metazo- 

 nites being paler. Commonly a darker spot showing on each 

 side of each segiuent toward ventral surface. Legs brown. 



Antennae clavate as shown in PI. 11, Fig. /2,. 



Gnathochilarium of female as shown in PI. 11, Fig. 72. 



