12 ‘ ARANEIDEA. 
equal to that between those of the hind central pair. The height of the clypeus is nearly equal to half 
that of the facial space. 
The falces are of great length, moderately strong, subcylindrical, bent, and extended laterally almost at right 
angles with the caput. Fang about three fourths as long as the other part, and when at rest lying along 
it between two rows of moderately strong subequal denticulations. 
The legs are very long and slender, 1, 2, 4, 3, armed with long and slender spines. 
The palpi are rather long, slender, and armed (though sparingly) like the legs. 
The abdomen is long, quite twice the length of the cephalothorax, cylindrical, and scarcely differs in size 
throughout. The posterior extremity is obtuse, truncated vertically, and the spinners small and closely 
grouped immediately before the inferior side of the truncation. As the specimen is scarcely adult the 
genital process is not developed. 
The male resembles the female in general appearance; but its legs, especially of the first pair, are longer in 
proportion and more slender, the spines, however, being shorter and less strong. 
The falces are longer, less strong, and have at the anterior extremity, on the upperside near the articulation 
of the fang, a longer and rather stronger than the rest, curved, tapering, pointed denticulation. The 
length of the falces in this sex exceeds that of the cephalothorax; the simply curved fang also is propor- 
tionally longer, extending to nearly the basal articulation of the falx, at any rate exceeding three fourths, 
or even five sixths, of its length. 
The palpi of the male are moderately long, very slender; the radial joint is distinctly more than double the 
length of the cubital; the digital joint is as long as the radial, and the main palpal lobe extends distinctly 
less than halfway along the digital joint, but is continued to its extremity by a nearly straight, tapering 
process. 
The maaille and labium are normal in both sexes. 
The abdomen of the male is longer and slenderer than that of the female; in the latter it is about twice, 
while in the male it is about two and a half times the length of that of the cephalothorax ; but of course 
the length of that of the female will vary somewhat according to whether distended with eggs or not. 
Hab. Guatema.a, Cubilguitz, San Juan Chamelco (Sarg). 
The female was found at Cubilguitz and the male at San Juan Chamelco. 
AZILIA, Keyserling. 
This well-marked genus shows evident affinity with Meta on the Epeirid side, and 
Linyphia as approaching the Theridiide. 
The cephalothorax is longer than broad, the anterior part of the caput not more than half the breadth of the 
thorax ; caput rather elevated and very distinctly defined by a deep groove separating it from the 
thorax. 
The eyes unequal, in two curved rows at the upper extremity of the caput, the convexity of the curve directed 
forwards, but the anterior row shortest and most curved, while the eyes of each lateral pair are widely 
separated from each other. 
The legs moderately long, rather strong, 1, 2, 4, 3, armed with distinct but short fine spines. 
The mazille moderately long, slightly divergent, widening gradually to their extremities, which are slightly 
obliquely truncated. 
The labium broad, rather rounded at the apex, and about half the length of the maxille. 
The sternum heart-shaped, longer than broad. 
The abdomen large, oval, and projecting well over the thorax. 
Azilia guatemalensis, sp. n. 
Adult female, length from 3 to 44 lines ; adult male, 2+ lines. 
Cephalothorax pale yellow ; the caput, whose fore part is rather prominent, and the ocular area broad and 
sloping forwards, is deep bistre-brown, prolonged in a central, rather tapering band over the thorax, 
