1818.] OF THE UNITED STATES, 453 



Inhabits coast of Georgia. 



Cabinet of the Academy. 



Body indurated; thorax punctured, above depressed, 

 a transverse, abbreviated, indented line behind the mid- 

 dle, and with an elevated line between the origin of the 

 two hind feet, from which the thorax is defracted behind, 

 sides decurved to a rounded tip; anterior feet ^ third joint 

 with a transverse, indented, obsolete line before the tip; 

 carpus unarmed; hand moderate, elongate quadrate, fin- 

 gers arcuated, meeting at tip and forming a suboval in- 

 terval, finger with a larger tooth near the tip, thumb with 

 one behind the middle; second and third pair of feet 

 with the penultimate joints pectinated beneath, tarsi with 

 three pectinate lines, third joint of the latter pair granu- 

 late above and beneath; fourth pair^ very robust, third 

 joint larger than the hand, with a double line of granules 

 above, confluent near the tip, and a profound concavity 

 behind, which is granulated on the inferior edge, second 

 joint of the tibia with a double prominent obtusely pecti- 

 nated line beneath; posterior feet very small, simple, 

 hardly attaining the tip of the third joint of the preceding 

 pair, and not equal to the distance between their bases; 

 tarsi short, conic; abdomen of the female^ suborbicular, 

 covering the pectus, much narrowed at base, attaining 

 the bifid tip of the pedipalpi, and with a double impress- 

 ed line in the middle, of the vfiale linear, tip rounded and 

 slightly narrower than the base. 



Length of the male, three-tenths, breadth, thirteen 

 twentieths; length of the female, seven-twentieths, breadth, 

 three fourths. 



Found by Mr. William Maclure on Jeykill island, 



