Araneides of the United States. IT 
ones. Cheliceres with two rows of teeth, one larger near the 
apex. Mare: Wholly testaceous or livid. Cheliceres much 
larger, arched, with two rows of teeth and three large prongs ; 
one superior, bifurcated at the end. 
Observations. This spider makes its web on Üusheð on 
the margin of springs and rivers. When on a twig it extends 
all its legs in one straight line. Its web is scarcely ever per- 
pendicular, but inclined, sometimes horizontal. 
This may be the T. elongata of Bosc; but as the name 
may apply to my T. laboriosa, there will be less confusion in 
using this appellation. 
Habitat. Pennsylvania, North and South Carolina, Ala- 
bama, &c. 
2. TETRAGNATHA LABORIOSA. 
Plate IV. Fig. 3. 
Description. Rufo-testaceous; abdomen yellowish with 
black branching lines above ; a black central longitudinal line, 
and two yellow ones beneath; feet and cheliceres of mode- 
rate length ; male with the same marking; cheliceres larger 
but not as elongated as in T. grallator ; 
Observations. This spider is found in meadows making 
the web of an Epeira, and is not found on wet ground. more 
than in dry places. It is very different from T. grallator, 
particularly in the position of its eyes, which in the male 
and female are placed in two sensibly curved rows ; whereas 
in that species these rows are straight, the upper one almost 
bent the other way. 
Habitat. United States. 
LisvxeHra. Latr. 
Characters. Cheliceres moderately long ; maxilla short, 
parallel, wider and truncated at the top; lip very short, 
subtriangular ; palpi slender ; eyes eight, equal, four in the _ 
‘middle, nearly in the form of a square ; two each side, placed 
together on a common elevation ; feet slender, the first. pair 
