70 ARANEIDEA, 
lines ; profile tolerably convex. ‘The height of the clypeus is equal to the diameter of one of the fore 
central eyes. 
The eyes are in two rows, with the usual appearance of being curved when looked at from above and behind ; 
the convexity of the curve of the anterior row is directed slightly forwards, while that of the posterior row is 
in an opposite direction. The fore central pair are rather the largest; those of the posterior row are the 
smallest and of equal size with each other. The eyes of the anterior row are equidistant from each other, 
while the interval between the hind central pair is slightly less than that between each and the lateral 
next toit. The four central eyes form a slightly oblong trapezoid whose anterior side is a very little shorter 
than the posterior side. 
The legs are long, rather slender, 2, 1, 4, 3; similar in colour to the cephalothorax, the tarsi and metatarsi 
dark brown, and furnished with a broad, rather dense scopula and a claw-tuft, Spines long and 
tolerably strong. 
The palpi are similar to the legs in colour and armature, the digital joint black. 
The falces are strong, straight, slightly projecting forwards, and prominent in front, clothed with coarse hairs 
and bristles. 
The mawille are straight, enlarged and rounded at the extremity, slightly inclined to the labium, and of a 
dark reddish-brown hue. 
The labium is short, shorter than broad, the apex slightly rounded ; similar to the maxille in colour. 
The abdomen is rather large, of a dull brownish-yellow hue, clothed with pale hairs; an elongate stripe 
bounded by a broken dark line, and rather tapering to its extremity, occupies the median line of the fore 
half of the upperside, and is followed to the spinners by a series of transverse, slightly oblique bars, 
similarly indicated, and meeting in a dark irregular longitudinal central line, representing the usual 
chevrons. The underside has a broad, central, longitudinal dark sooty-brown band from the genital 
aperture nearly to the spinners. The genital aperture is large, transverse-oval or rather kidney-shaped. 
The spinners are short, compact, and brown. 
Hab. GvaTEMALA, Chicoyoito (Sarg). 
The egg-cocoon accompanied this spider ; it is of very large size, round, lenticular. 
p g ) ) 
XYSTICUS, C. Koch. 
Xysticus adustus, sp. n. 
Adult female, length rather over 23 lines. 
This spider is of the ordinary form. 
The colour of the cephalothoraw is a dull orange-yellow, slightly deeper in the ocular region, and the sides of 
the thorax are a deep rich red-brown, the inner margin of the coloured portion broken but well defined, 
and with strong prominent black bristles on and near the ocular area and clypeus. 
The legs are of moderate length, strong, well furnished with spines, bristles, and hairs; similar in colour to 
the cephalothorax, spotted with small deep red-brown spots, from many of the larger of which the spines 
and bristles spring; the genus and nearly the fore half of the tibie (with a small portion of their base) 
of the first and second pairs are dark red-brown. 
The falces are strong, conical, vertical, similar to the cephalothorax in colour, and furnished with some strong 
prominent bristles near their base. 
The mawville, labuum, and sternum are yellow, the last being clearer and paler in colour than the others. 
The eyes are normal in relative size and position; those of each lateral pair are seated on strong greyish 
tubercles. The height of the clypeus is equal to half that of the facial space. 
The abdomen is of the ordinary form in this genus, broader behind than in front, where it is somewhat roundly 
truncated. ‘The upperside is furnished with numerous prominent slightly curved black bristles ; its 
colour is dull brownish-yellow, palest along the middle, where traces of the normal angulated pattern are 
visible, the rest of the upperside being marked in a somewhat striated fashion with broken markings of 
a deep blackish-red-brown ; three whitish spots forming a triangle on the fore half are rather distinct, 
