226 ME. C. J. WITH OlSr SOUTH-AMEEIOAN CHBLIFEEIN^ 



the trochanter has in addition to the usual granulations small round tubercles as well 

 as three or four larger eminences ; the anterior surface of the femur shows traces at 

 least of similar, though much smaller tubercles, which, like those of the trochanter, 

 carry a single hair. Hairs are rather short ; those of the trochanter and of the femur, 

 at least dorsally and anteriorly, as well as those of the anterior surface of the tibia, 

 are more or less distinctly clavate, while a few on the posterior surface of the femur, 

 those on the posterior surface of the tibia, as well as those on the hand, are obtuse with 

 one or several terminal teeth ; fingers with completely simple and pointed hairs in 

 addition to the tactile ones. The trochanter, which has a rather short, but very well- 

 defined stalk, is 1"8 as long as wide ; it is wider than the femur as well as the tibia 

 and 1'4 as long as the chela is wide ; its anterior outline beyond the stalk is 

 moderately convex, while posteriorly it is slightly convex on the ventral surface, but 

 distinctly produced on the dorsal. The femur has a short and fairly well-defined 

 stalk, beyond which it is gradually and fairly distinctly widened out towards the end. 

 It is 4'7 as long as it is wide ; anteriorly, beyond the stalk and a scarcely marked 

 short convexity, it is almost straight (or even a little concave), while posteriorly it is 

 slightly convex basally and terminally, but almost straight between. The tibia, which 

 is much shorter and a little wider than the femur, has a fairly long and well-defined 

 stalk and is gradually widened out distally ; it is 3 '4 as long as broad; the anterior 

 outline beyond the stalk is very slightly convex, while the posterior one beyond the 

 insignificant condylus and elongated basal elevation is at first almost straight and then 

 a little convex. The chela is 4-4 as long as wide ; the hand, which is somewhat 

 shorter than the tibia and 1'4 as broad, is almost 2'3 as long as wide, much broader 

 than deep and scarcely I'l as long as finger; the lateral outlines are very slightly 

 convex, with the greatest width just beyond the base. The fingers gape moderately 

 when closed and have along the margins a row of conical teeth (fig. 2 h) ; the margin 

 of the movable finger has near to the base a ventral elongated elevation (pv) and 

 opposite to this another much more pronounced dorsal one, bearing about five teeth 

 and fitting into a depression or swelling of the immovable finger (figs. 2 b-c, pd), the 

 margin of which is accordingly curved outwards ; the immovable finger has just 

 beyond this depression posteriorly near the dentated margin a small tubercle (pi). 

 The immovable finger bears anteriorly six and the movable five " spots," while both 

 fingers posteriorly bear three spots, arranged as shown in the figure (fig. 2 c). 



Coxae (PI. XXIX. fig. 2 d). — They are less elongated than in the preceding species 

 {of. above), especially the third pair, which are as broad as the second interiorly, 

 and not very much widened out ; the fourth are long and slender and distinctly 

 widened out from a very short base towards the extremity, where they are scarcely as 

 wide as the third pair ; the exterior spine of the fourth pair is represented only by 

 an insignificant short process (s), and the posterior margin is almost obtuse-angled. 



Coxal sac (PI. XXIX. fig. 2 d). — The coxal sac is small, only about one-third as 



