228 AUGUSTA RUCKKH. 



arranged in a transverse row. The anterior seta of the 

 proximal joint of tlie cheliceras four times longer than either 

 of the other two. I^abrum compressed laterally to a point, 

 and possessing on its lip five pairs of hairs. A group of 

 three lateral sense-organs is present on a side. The flat, 

 hollow seta situated one third of the distance from the 

 proximal limit of the third metatarsus of the first leg. 



Koenenia (Eukoenenia) florenciae. 



7. Ventral surfaces of the fourth and fifth segments of the 

 abdomen with a group of four hairs on each side of the mid- 

 ventral line, while only three pairs of hairs are present on 

 the sixth segment. Eight cephalothoracic hairs are present, 

 irregularly arranged. A group of three lateral sense-organs 

 is present on a side. The stiff, hollow seta is inserted near 

 the base of the third metatarsus of the first leg. 



Koenenia (Eukoenenia) grassii. Silvestri. 



In conclusion I have arranged in a convenient form the 

 table given below, which records tlie places from which the 

 species were taken, together with the more prominent cha- 

 racters of each species. 



