UNITED STATES. 67 



prominent ; radical joint of the three anterior pairs 

 of feet armed with a spine ; pectus and base of the 

 feet white. 



Inhabits the Southern States. 



Cabinet of the Academy. 



Body ovate, a little dilated each side behind the 

 posterior feet, blackish, with a few obsolete paler 

 spots, above and beneath) above granulated, granules 

 spherical, irregularly placed in somewhat reticulated 

 lines ; ocidw tubercle destitute of spines, with obtuse 

 granules ; clypeus prominent, somewhat elevated ; 

 feet short, fuscous, whitish at base ; second pair 

 hardly four times as long as the body, and, with the 

 first pair, armed with a prominent, cylindric, obtuse 

 spine behind the basal joint ; third pair with a similar 

 spine before ; pectus whitish ; venter blackish. 



Length, female nearly one-fifth of an inch. 



A very distinct species, and not uncommon in the 

 Carolina's and Georgia. 



4. P. *grandis. Body oval, covered with short 

 spines ; ocular tubercle spinous ; feet rather short. 



Inhabits the Southern States. 



Cabinet of the Academy. 



Body oblong-oval, scabrous, with approximated, 

 robust, short, acute, spinules ; rufo-ferugineous, two 

 impressed transverse lines before the middle ; ocular 

 tvibercle prominent, slightly contracted at base, 

 crowned with numerous, robust, acute spinules ; cly- 

 peus hardly elevated ; feet rather short ; pectus with 

 numerous, minute, acute granules,: tenter with but few. 



