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and thickened with other crofs ones, that not even a gnat can pafs fafely through the angular 
mefhes. This web, at the fame time, is fo ftrong that infe6ls of the larger kind are entangled 
in it. The circumference of the web has fometimes a round teifaleted form, and fometimes 
it is multangular and oblong ; the inner web however is always regular. 
3. The Spider lurks in fome corner, or at one end of the web, and if a gnat ftrikes the 
web ever fo gently, he feels it by the motion of the threads under his feet, and leaps out to 
reconnoitre his prey. 
4. The females, as far as we can difcover, after they have laid their eggs, live till their 
young are big enough to feed themfelves. 
5. The htuation of the eyes and the proportion of the legs are the fame as in the Spiders 
before defcribed. 
SPECIES I.—A. Castaneus, 
CHESNUT-SPIDER. 
Females of this fpecies were found the beginning of September. Plate 3, fig. 8. 
Their eyes are large and black. 
The legs, which are covered with unequal dufky hairs, briftles, and prickles, have black 
fpots on the joints. 
The thorax is fmall, brownifh, gloffy, ovate, obtufe, flat, and thinly fprinkled towards 
the eyes with fine black down. 
Thi- abdomen is nearly globofe, copper-coloured, glofly, covered with a fine and foft 
down like filk, is marked by a feries of longitudinal white fpecks, which are croffed towards 
the anus, by two tranfverfe lines. A fimilar feries runs obliquely on each fide, beneath 
which the abdomen is dufky until the lowefl: part, which is copper-coloured like the upper. 
Two white triangular fpots furround the fexual organ. 
The arms, which are coated with unequal hairs, are whitifh. 
The holders are brownifh and clawed. 
The 
