particular, without having been able to difcover the 
foramen. The late Mr. Baker however, feveral years 
after, convinced him of its exigence. He then re¬ 
traced his former fentiment, and with great candour 
and judgment gave it as his opinion, that, as amongft 
ferpents, only fome particular fpecies are poifonous, 
and have teeth that are perforated for the emiftion of 
their poifon, viz. the Rattle-Snake, the Viper, and 
others, fo amongft Spiders fome kinds only may be 
poifonous, viz. fuch as are provided with perforated 
fangs. 
The Eyes of Spiders differ very much from thofe of 
mold other in feeds ; and are different both in number 
and difpofition in the feveral fpecies. The prefent 
fpecies has eight eyes, which are difpofed fomewhat in 
the form of an oblong fquare. Of thefe the two mid¬ 
dle ones are larger than the reft, and perfedly round; 
the others are of an oval fhape. 
