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edge, next the legs, is a whltifh margin. The abdomen ovate, pretty uniformly hairy, is ex- 
tremely well diftingiiilhed from other fpecies, by a black longitudinal wedge, furrounded by a 
white border. The wedge is obtufe towards the anterior parts, and lharp towards the anus. 
A fafciculus of long hairs on the upper part, gives the refemblance of a V. where the abdo- 
men joins the thorax. The V. itfelf is compofed of black hairs, whitifh on the inner part. 
The arms have hairs of an unequal length, and fome prickles. The holders are like the arms. 
SPECIES XL— A. Undatus. 
waved-spider. 
One fpecies of this was found in low grafs in the beginning of Auguft. Plate 7, fig. 3. 
The eyes as ufual, ftrongly furrounded with hairs. The legs very hairy, and aculeated. 
The thorax obtufe, ovate, brownifh, flat, filky ; with blackifli hairs about the eyes, and a 
greyifli line on each fide above the feet. The abdomen ovate, brownifh, filky, with a greyifti 
wave furrounding the fides. The arms hairy, and fharp pointed. The holders fmallifli 
and hairy. 
SPECIES XII.— A. Nivalis. 
SNOW-SPIDER. 
A MALE was found, the middle of September, plate 7, fig. 8, and fince I have not hitherto 
obferved any female of this kind anfwering to it ; I have no doubt of its being a diftin( 51 : 
fpecies. 
The eyes as ufual. The legs hairy, and of the ufual flru6lure. The thorax rhomboid, 
or lozenge-fhaped, rifing, with a broad white point, and two white fpots, towards the eyes, 
and 
