242 ME. 0. J. WITH ON SOTJTH-AMEEICAN CHBLIFERIN^ 



the proportions of joints of the palps — for instance, tibia a little wider than femur — 

 are probably of small importance. That Balzan has not mentioned the very 

 characteristic colour in the male may perhaps be explained by the bad preservation 

 or the age of his few specimens. On full consideration it would be premature 

 to establish a new species. The species is easily distinguished in both sexes by 

 the slender femur and short fingers. 



9. Chelifer segmentidentatus Balz. (Plate XXIX. figs. 7 a-j ; text-fig. 65.) 



1890. Balzan, (lo) pp. 428-430, tav. xiv. figs. 13 ( cJ ? )-13 6. 



1891. Balzan, (ii) p. 548. 

 1905. Elliugsen, (19) pp. 12-13. 



Male. 



Cephalothorax. — Indistinct ocular spots present. The cephalothorax is much 

 longer than broad behind, where it is broadest. The transverse grooves are very 

 deep and prominent ; they are almost straight in the middle, but laterally the 

 anterior is directed forwards and the posterior backwards. Skin coarsely granular 

 everywhere, and provided with short distinctly clavate hairs. The second tergite 

 is gradually raised towards its posterior serrated margin. 



Abdomen (PI. XXIX. fig. 7 a). — The abdomen is of a slender appearance, being 

 at least twice as long as broad ; sclerites increase in length as well as in breadth 

 towards the sixth one, and then decrease towards the end. All the tergites divided 

 by a longitudinal line, which is almost obsolete on the first two at least. The 

 first five tergites show traces of lateral keels and the first eight have the posterior 

 margin of the sclerites irregularly undulated and serrated. The sclerites are distinctly 

 granular all over, and bear a row of short fairly distinctly clavate hairs numbering from 

 10-12 along the posterior margin of the median segments, in addition to 6 in front 

 of the row ; the XL tergite possesses probably a pair of " tactile " hairs. 



Sternites without longitudinal line. The posterior portion of the VI.- VII. sclerites 

 is rather pale and is provided with a few short spines, while the two following 

 sternites show an area with a convex anterior margin, as long as § and as wide 

 as ^ of the whole sclerite, which is beset with a large number (c. 80) of rather 

 long spines standing close together. 



Antennae. — The terminal hair scarcely extends beyond the galea, which is suddenly 

 attenuated and provided with a few almost obsolete teeth [cf. Balzan, fig. 13 b, s ). 



Palfs (PI. XXIX. figs. 7 b-e). — The maxillce are smooth in the middle, but 

 laterally and in front slightly granular ; the palps are fairly distinctly granular 

 above, with the exception of the almost smooth hand ; on the under surface only 

 the proximal joints are slightly granular; the hand, like the fingers, is completely 

 smooth. The trochanter and the femur are provided with a number of rather long 

 or distinctly clavate hairs, placed along the concave basal portion of the anterior 

 surface of the latter joint ; the hairs of the tibia as well as the hand are slightly 



