44 



suture marked. Epinotum witli very short basai surface, a little 

 higher than the mesonotum and passes into the long declivity ; the 

 declivity more than four times longer than the base, very oblique, 

 straight or feebly concave, with a pair of minute protubérances at 

 the posterior corner. Meso-epinotal dépression not wide but dis 

 tinct. Pétiole low; node in profile inclined forward, with nearly 

 straight anterior, acute upper, and convex ventral, surfaces; from 

 behind about 1/3 as broad as the epinotum, the upper margin con- 

 cave. Gaster longer than broad, longer and broader than the head, 

 about three times broader than the epinotum, convex above, gibbons 

 in front. Legs moderately long, rather stoul. 



Body subopaque, head, thorax, and abdomen linely punctuated. 



Erect hairs thin, yellowish, growing on the mandibles, clypeus, 

 and gaster, more sparsely on the head and thorax, but wanting on 

 the tibiae and scapes. Pubescence grayish, distinctly on the head, 

 antennse, and legs; almost imperceptibly on the thorax and gaster. 



Light yellowish brown ; head and antennal scapes brown; gaster 

 dark brown. Mandibular teeth reddish brown. 



Hab. : Tokio, in my garden in Koishikawa (T. and Sakuha Ito). 



The workers are frequently to be seen running on the ground in 

 summer. Their paces are rather fasl, but not rapid. They make their 

 nests in the earth. The entranre ol' the nesl is circiilar and small, 

 less than 1 mill. in diameter. 



Allied lo P. /îaripes(Fï\. Smith), but ditlers by its smallersize, by 

 its pubescence, especially that on the head, by its light brown 

 colour, by its being subopaque, and by the ^diorter appendages. 



Lasiiis niger Linn. var. alieno-niger F'oREr., 

 $2 1/2-3 1/2 mill. long. 

 Hab. : .Tapan : Tokio, in my garden in Koishikawa (T. Tto). 



Lasius umbratus Nvr.. var'. mixlo-umbratus Korel. 

 ^ 3-3 1/2 mill. long. 

 Hab. : Japan : Tokio (T. and Keihiko Ito). 



Camponotus fallax Nyl. var. Na'wai var. nov. 



^ major 5 1/2-7 mill. long. ^ minor 4-5 mil!, long. 



Simillimus C. fallaci var. quadrimaculato Forel, sed differtgenis 

 brève et valde pilosis, cum impressione média in fronte clypei, 

 atque sculptura validiore. 



Hab. : Japan : Miho in the province of Suruga in Hondù 

 (Y. Nawaj. 



