280 ME. C. J. WITH ON SOUTH- AMEBIC AN CHELIFEEINiE 



1-1 as deep as wide, and 1'5 as long as the fingers, whicli are a trifle shorter than tlae 

 hand is broad and scarcely gape when closed ; the lateral outlines of the hand are 

 distinctly convex, and so is the dorsal, which is, however, more suddenly raised beyond 

 the stalk, while the ventral is only slightly convex. The fingers bear anteriorly only 

 two accessory teeth each, while the number posteriorly is about ten. Anteriorly the 

 immovable finger has basally between the tactile hairs about four " spofo " and farther 

 down three much smaller ones, while the movable finger has seven in a longitudinal 

 row from near the base to near the end ; posteriorly the immovable finger has eight 

 " spots " in two groups and the movable finger has seven spots (cf. figs. 20 b-c). 



Coccoe (PL XXX. fig. 20 e). — The third and the second pair are similar to those 

 of Ch. bicoloT Balz., the latter being distinctly narrower at the base ; the fourth pair 

 are rather peculiarly shaped, being slightly pointed interiorly and in the front, and 

 scarcely widened out towards the extremity, with the inner margin, which is the 

 shorter, distinctly merging into the hinder. 



Legs. — The proximal joints are very slightly granular. The rather short hairs are 

 either moderately or slightly clavate, or obtuse, dorsally, in the fourth and first pair of 

 legs respectively ; those of the ventral side are pointed and more or less simple ; 

 a tarsal " tactile " hair, much longer than the distance to the tip, is two-thirds 

 removed from the base. The legs are not very slender and the trochantin of the first 

 pair is deeper than the femur proper, while its tibia is a trifle longer than the tarsus, 

 which is almost four times as long as deep. The femur of the fourth pair is about 

 2-3 as long as deep, scarcely 1"1 as long as the tibia, and 1'6 lower than the tarsus 

 is long. 



Colour. — The palps are light brown with the chela much darker ; the head, first 

 tergite, and a tiny median spot of the second tergite are light brown, darker than the 

 proximal joints of the palps ; the dorsal side of the abdomen has brown sclerites and 

 the skin between white ; the white transverse band in the middle of the body 

 encompasses almost the whole second thoracic tergite and the first abdominal with 

 the exception of a transverse darker line. 



Measurements. — Cephalothorax 0-647 (0-621) ; abdomen 1-265 (0-828) mm. 



Palps : trochanter 0-276 (0-184) ; femur 0-506 (0-217) ; tibia 0-515 (0-230) ; hand 

 0-529 (0-375), depth 0-400 ; finger 0-368 mm. 



Leg I.: femur 0-327 (0-125), trochantin 0-070 (0-133); tibia 0-251 (0-084); 

 tarsus 0-236 (0-061) mm. 



Leg IV.: femur 0-418 (0-182); tibia 0-388 (0-106); tarsus 0-288 (0-068) mm. 



Material. — Of this beautiful little species I have examined a single female sifted in 

 the month of August by Dr. Meinert, at La Moka. 



Bemarks. — The described species, which may be easily distinguished from all other 

 species of this group by the singular feathery hairs of the hand, is probably nearly 

 related to Ch. suhrotundatus Balz. In the shape of the hairs of the hand it has some 

 similarity to Ch. armiger Balz., but in other respects scarcely any. 



