10 EDV. ELLINGSEN. 



outer sides of the femur, the outer side of the tibia, and the 

 fingers, these being smooth. The hairs of the palps long and 

 pointed. — Trochanter with a short stalk, about as long as it 

 is broad, the inner side slightly convex, with a small, rounded 

 protuberance behind in the middle. Femur slender, with a short, 

 but distinct stalk, the greater part of the inner side slightly con- 

 vex, the smaller distal part slightly concave; the outer side nearly 

 straight or even sHghtly sinuated, somewhat rounded at the base 

 and the extremity; the femur on the whole is rather parallel- 

 sided. Tibia with a moderately long, robust stalk, considerably 

 shorter than the femur, and with the exception of the stalk, 

 oblong, scarcely narrowing towards the extremity, regularly and 

 moderately convex behind, the inner side widening from the 

 stalk, and moderately convex. Hand with a short stalk, with 

 the base somewhat obliquely rounded, moderately convex on both 

 sides, most so on the inner side, gradually passing into the fingers. 

 Fingers considerably longer than the hand, slender, slightly curved. 



Mandibles moderately robust, slightly shagreened ; galea con- 

 sisting of four straight, simple stemlets, of equal length, and 

 forming a fan, only indistinctly united near the base. 



Legs with short, scattered hairs; the femora of the two 

 posterior pairs rather broad. Claws simple. 



Length 2.05 mm. 



Measurements. Céphalothorax: long. 0.61; lat. 0.57. Man- 

 dibles: long. 0.29. Femur: long. 0.54; lat. 0.16. Tibia; long. 0.40; 

 lat. 0.20. Hand: long. 0.43; lat. 0.29. Fingers: long. 0.53mm. 



Locality. Yamanaka, March, 1905, 8 specimens. 



Genus OMsium. 



Subgenus Hon eus. 

 Ohisium japonicum, nov. sp. 



Two small eyes, one on each .side, about two diameters 

 from the front margin. 



