234 ME C. J. WITH ON SOUTH-AMEEICAJSr CHELIFBEIN^ 



Palps are less slender ; the femur and tibia, for instance, being 4 and 3 times as long 

 as wide respectively ; the chela is 3-4 as long as wide; the hand is comparatively 

 broader and perhaps a little longer than the finger ; " spots " are anteriorly as in 

 the male. 



Coxm. — The fourth pair are perhaps less widened out; interior margin better 

 marked and posterior less concave. 



Legs. — The legs are somewhat less slender, except the tarsus of the first pair, which 

 is 5'5 as long as deep and a trifle longer than the tibia. T\ie femur of the fourth pair 

 of legs is scarcely 3 as long as deep and only 2*1 lower than tarsus long. 

 Measurements. — Cephalothorax 0-690 (0-575) ; abdomen 1-725 (0-920) mm. 

 Palps: trochanter 0-345 (0-230); femur 0-736 (0-184); tibia 0-647 (0-220); hand 

 0-552 (0-322), depth 0-280 ; finger 0-529 mm. 



Legl. : femur 0-418 (0-133), trochantin 0-106 (0-140); tibia 0-319 (0-084); tarsus 

 0-334 (0-061) mm. 



Leg IV.: femur 0-517 (0-182); tibia 0-464 (0-106); tarsus 0-380 (0-068) mm. 

 Material. — Dr. F. Meinert collected 5 males and 5 females of this pretty little 

 species in Venezuela from June to December. 



The species has been recorded by previous authors from practically the whole of 

 South America, viz. Argentine, Paraguay, Brazil, Venezuela, and Ecuador. 



Bemarks. — The male is easily distinguished from all other species of this group 

 hitherto described by the structure of the sternal areas ; the female may be most 

 easily distinguished from other species with finger of almost equal length to the 

 hand by the distinctly granular maxillae and tibia, which latter is longer than the 

 hand {cf. EUingsen, 19. pp. 325-326). 



6. Chelifee xoBiLis, sp. n. (Plate XXIX. figs. 4 a-b.) 



Cephalothorax. — Eyes are, in the specimen examined, represented by rather 

 indistinct ocular spots. Cephalothorax distinctly longer than wide behind. Two 

 almost straight transverse grooves, of which the posterior is rather inconspicuous. 

 Distinctly and coarsely granular all over and provided with short strongly clavate hairs. 



Abdomen. — All tergites with indistinct longitudinal line. Skin moderately granular ; 

 short, distinctly clavate hairs, probably 10 in number, along the hindmost margin 

 together with a few in front of the row. The sternites are longitudinally divided, 

 except the VII.- VIII., which have the median fourth covered by a pale area, about 

 two-thirds of the sternite in length. These areas are irregularly and rather 

 indistinctly limited in front, but fairly well-defined behind, as they here form part of 

 the hinder margin of the sclerite. The eighth sternite is not so well chitinised as in 

 Ch. rufus Balz. [cf. above). Number of spines 25 and 50. 



Antennae. — The galea is rather short and thick, with about five short terminal teeth, 

 and extends perhaps in a slight degree beyond the terminal hair. 



