206 AMERICAN SPIDERS AND THEIR SPINNINGWORK,. 
Crrnatornorax: Corselet a long oval; high, truncated, and indented at the base; 
fosse deep, circular; corselet grooves distinct; cephalic suture decidedly marked; head 
quadrate in front, flat on top, with a slight bulge on either side at the middle part, which 
lifts it a little above the corselet level; color yellow, lighter on the sides, and darker, 
tending to brown, upon the caput, which deepens into blackish at the face; covered closely 
with gray and yellow pubescence, and two blackish spots upon the knob of the caput. 
The sternum (Fig. 4c) is shield shaped, with pointed apex and sternal cones, somewhat 
longer than wide; flattened in the middle; yellow, covered with pubescence, which is quite 
thick and long at the margins. Labium triangular, but narrowed into a squarish stock at 
the base; more than half the length of the maxillxe, which are gibbous, inclined toward 
each other, obtusely triangular at the tips, and colored as the sternum. 
Eyrs: Ocular quad (Fig. 4b) on a high prominence, which projects much at the rear, 
where the eyes are placed on two elevated, rounded, distinct tubercles, and are located 
well to the sides of the same, thus giving the summit a notched appearance; the quad much 
narrower in front than rear, which is wider even than the sides; MF are black, separated 
about 1.5 their diameter, much smaller than MR, which are light colored, and separated 
by at least two diameters or more; but they are so much diverted to the side of their 
tubercles that it is difficult to estimate the space. Side eyes on low tubercles; SF somewhat 
larger than SR, both much smaller than MF, and greatly smaller than MR; they are 
separated by about the radius of SF; MF are removed from SF by about 1.5 their area, 
and as SR are placed much to the side of SF, the space between them and MR is much 
greater. Both eye rows are procuryed, the front but little, the rear row, which is longer, 
much more so; clypeus height about the area of MF. ‘The face is yellowish brown, with a 
blackish area in front of the ocular quad. The forehead, by reason of the strongly pro- 
jecting rear eyes, is hidden when the face is viewed from the front. 
Leas: Stout, rather short for the length of the species, yellow, with dark bands on 
tips of femora, and slight annuli at other joints; well clothed with hairs, and sparingly 
with short yellowish spines; palps thick, colored as the legs, hairy; mandibles conical, 
much separated at the tip, covered with hair at the arching base, yellow, with brownish 
at the fang. 
ABDOMEN : Ovate (Fig. 4a), the base carried at a wide angle with the cephalothorax ; 
contracted in front into a compressed prominence, which is bifid at the top; color yellow, 
or grayish yellow, covered thickly with pubescence; an indistinct folium upon the dorsal 
field, which in some specimens forms an elongated W about the middle thereof. On the 
sides beneath are bands of reticulated white and yellow, marked out by lines of brown or 
brownish black. The surface is marked by numerous circular rows of impressed dots, 
brown, smooth, which extend along the sides to the basal front, and to the summit of the 
frontal tubercle. The spinnerets are prominent, distal. The vyenter has a dark, brownish 
yellow band. The epigynum (4d) has a dark brown, glossy, corneous, arched atriolum, 
which terminates in a short, wide, blackish flap, with two notches on either side; viewed 
well from beneath it is hollow, and presents a shelllike appearance. 
Mate: The mature specimen in hand (Figs. 5, 5a) is 6.5 mm. long, being equal in size 
to, or even greater than, the female. The color is darker, the cephalothorax being brownish 
yellow, the caput lacking the blackish coloring of the female; the legs less strongly annu- 
lated, and darker than the female; abdomen about the same color. The notched compres- 
sion or tubercle on the middle base of the abdomen is even more distinct than in the 
female, and the irregular folium upon the dorsal field somewhat better marked; the skin 
heavily pubescent, and muscular pits, particularly the median ones, deep. The femora-I, IT 
are wide, the latter particularly so; patella-I is long, and much thinner than the femur; 
tibia about the thickness of patella, and armed on the inside with rows of long, thick, 
yellowish brown spines, with a pair on either side of the joint. Patella-II is wider and 
shorter than I, the tibia thicker, and armed on the inside with a double row of strong, 
thick, clasping spines, stouter but shorter than those on the tibia-I. Coxe-I are marked 
by strong spurs at the inside of articulation; coxee-II, IV have short blackish brown 
spines, stronger on coxse-1V. The fourth trochanter is also provided with a short toothlike 
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a) 
