Rogerio er c PE 
Araneides of the United States. 443 
EXPLANATION OF PLATES. 
I. Head of Male, profile. In this view, are to be seen the 
imn developed inter-parietal crest and superciliary ridges, the broad 
and curved aH arches, and the expanded ramus of the lower jaw. 
Prate I. Head of Female, profile. The attr PAR crest here 
exists in a ditare condition only, and the ramu e lower jaw is 
much more narrow than in the male, but the curve ot ES zygomatie arch 
is quite acp 
Prate III. d of Mate, front view. This represents the head so 
placed dis the bea of the lower jaw is horizontal, in which position the 
cranium proper almost disappears behind the superciliary ridges. The 
occipital crest cannot be seen in this position. "The middle incisors of the 
upperjaw were missing. 
Prare IV. Fic. 1. Head of Female, front view. The teeth of 
this head are irregularly arranged i in the lower jaw; the canine of the 
right side is opposed to the lateral incisor of the upper jaw, and the right 
middle incisor is to the left of the median line. 
Fic. 2. An ideal representation of the teeth of the female. 
ART. XXXV.— DESCRIPTIONS AND FIGURES OF THE ARANEIDES 
sag THE UNITED STATES. By Nicuotas Marcerius HENTZ, Tuscaloosa, 
1 abam Bog i Kee 
[Continued from Vol. V. page 370.] 
Genus THomisus.  Walck. 
Characters. — Cheliceres small, cuneiform, fang . 
maille pointed at tip, more or less inclined over rho ; 
lip pointed at tip, wider in the middle than at base, as long 
| as, or longer than, half the length of the maxille ; eyes eight 
equal or subequal, commonly in two rows of four each, the 
_ Posterior one longest, bent from the base towards the anterior 
One ; feet, commonly the first and second pair longest, or the 
second al 
cond alone longest. : ae 
Habits. Araneides wandering after prey, making no web, | L 
