( ) 
There are two largifh white fpots on each fide of the above-mentioned line, of a fquare 
fnape, of which the two lowermoft are rather largeft, and are more diftant from each other,* 
and thefe are the marks by which this fpecies is diftinguifhed. The other fpots are not of 
equal number in different individuals. The blackifli, yellow, or red colour of the abdomen, 
is of fuch a whitifh appearance in fome as to appear moffy. 
The long arms are whitifh, and abound with long black hairs and prickles, and are marked 
with dufky circles. 
The holders are perpendicular, whitifh, a little downy on the upper part. Lift, de Aran. fig. 8. 
SPECIES IV. — A. Marmoreus. 
MARBLED-SPIDER. 
On the 2 2 d of Auguft a fingle female was found, in a web faftened to the top of a tree. 
See plate 6, fig. 6. 
The eyes are black, and confpicuous in the tubercles. 
The legs, marked with circles, hairy, briftly, and prickly. 
The thorax heart-fliaped, flat, whitifh, but a little downy. 
The abdomen ovate, connedled to the thoracic juncture, at about a third of its lengthy 
it is covered with a fine down, like filk, of a whitifli afh-colour, and is marked on the upper 
part with a fomewhat obfcure crofs of white fpecks. On the upper part on each fide run out 
two largifn w'hite fpots into two oblique little branches, one of which unites with the anus, 
the other looks as if broken off. The inferior or under part of the abdomen is black between 
the anus and the fexual organ, but is of a different colour at the fides. The fexual organ is 
remarkable for having two ovate yellow radii on its upper part. 
The arms are befet with hairs, briftles, and prickles of different lengths. 
The holders are whitifh, perpendicular, coated with white down, and are black towards 
the claws. 
Towards 
