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DESCRIPTION OF GENERA AND SPECIES. 191 
broadly shield shaped, the edges rounded, and apex obtusely triangular; sternal cones long 
and distinct; the centre raised, and opposite the labium well elevated; color brownish 
yellow, somewhat darker at margins; covered sparsely with dark bristlelike hairs; labium 
subtriangular, thick, and large, more than half the height of maxillee, which are obtusely 
triangular at tip, rounded at sides, somewhat longer than wide; labium and maxille brown, 
with yellow tips. 
Eyres: Ocular quad on a squarish prominence, more decided in front; quad front 
slightly wider than rear, and almost equal to sides. The single specimen from which I 
describe has an abnormal formation of MF eyes, one being twice as large as the other; its 
normal form I cannot therefore determine; the small MI eye is much less than MR, and 
the larger one is somewhat larger. According to Cambridge “the fore central eyes are 
almost as large as the hind centrals.” The side eyes are about equal in size, separated by 
about a radius; SF from MF by about 1.5 area of latter, or at least twice or more the 
intervening space. The distance between MR and SR is greater. Clypeus height about 1.3 
diameter of large MF eye, or twice diameter SF; margin with a row of white bristles; front 
row slightly recurved, rear row procuryed. 
Lras: 1, 2, 3,4; color yellow, or orange yellow, with blackish apical annuli at ends 
of tibia and metatarsus; a broad black median annulus on metatarsus, and a lighter one 
on tibia; the femora are without annuli, but have a deeper hue of yellow; armored rather 
sparingly with short yellowish spines, and abundantly with bristles and hairs; the palps 
yellow, with a slight brownish tinge at the tip; provided with curved spines and bristles; 
the mandibles long, conical, arched at the base, with decided basal cog and a slight 
swelling about the middle; color yellowish brown at base, darker brown at tips, glossy and 
pubescent on inner sides. 
AspomMEen: Triangular ovate, much wider at base and narrowing toward apex, which 
is rounded; spinnerets distal; dorsum slightly arched at the base, but rather flat on top; 
dorsal field a yellow, gourd shaped pattern, without other marks, covered quite freely with 
long, white, bristlelike hairs. The sides (Plate XXII., Fig. 4) are marked by long tooth- 
like streaks of yellow; the venter (Plate XXII., Fig. 5) has a broad, black, central band 
irregularly oval, surrounded on all sides by a belt of yellow, which also encompasses the 
spinnerets in a broken ring; spinnerets orange brown, bases blackish brown. The epigynum 
shows an atriolum but little prominent, a scapus short, wide at the base, and diminishing 
at the rounded tip, covered beneath with short gray hairs. This organ, as figured by 
Cambridge (Plate XIV., Fig. 6b) is much longer and narrower than in the specimen 
before me. 
Disrripution: Fort Canby, N. M., Santa Barbara, Cal. (Marx Collection.) Cambridge 
describes it from various points in Guatemala. In some of the specimens from Central 
America the legs are bright burnt sienna in color, and the abdomen is emerald green, 
closely dotted with minute chrome yellow spots; over all a very dark cellular network of 
dark lines. (See Fig. 6.) 
No. 49. Epeira spinigera Camprince. Plate XIV, Figs. 3, 4. 
1889. petra spinigera, CAMBRIDGE. . . Biolog. Cent. Amer., Aran., p. 43, v., 9, 10. 
Femate: Total length, 9 mm.; cephalothorax, 3 mm. long, 2.3 mm. wide; abdomen, 
6 mm. long, 4 mm. wide. General colors: the fore part of the body a uniform orange 
yellow; abdomen, a pale yellow and black. In the elevation of the head, the character of 
the mouth parts, the wide space between MIF and SF, and the thornlike abdominal 
tubercles this species resembles Wagneria tauricornis; but the curvature of the eyes, the 
form’ and spinous armature of legs are different, and more closely approach Epeira. 
CepHALoTHORAX;: Oval; corselet rounded at margins; fosse a lateral pit curved back- 
ward; corselet grooves indistinct; cephalic suture very distinct; caput highly arched above 
the level of the corselet; head quadrate; face wide and strong; color, orange yellow, with 
flecks of brown on the corselet and base of caput; covered with short, yellowish white 
