1318 ] OF THE UNITED STATES. 449 



Length three inches and one fourth, breadth four 

 inches and a half. . 



Esteemed as food and sold in the Charleston market, 

 tied up in small parcels of from four to eight together. 

 It attains to a much larger size than either of the preced- 

 ing species, from which it may be distinguished by the 

 form of the clypeus, lateral teeth, abdominal segments, 

 &c. 



3. C* aculeatus^ Hirsute; thorax each side, arms and 

 feet above with numerous erect spines; cbjpeus emargi- 

 nate in the middle and each side. 



C. sp'mifrons, Herbst.? Lat. Hist. Nat. Sonin. vol. 

 V. p. 347. 



Inhabits coast of the southern states. 



Cabinet of the Academy. 



Body above with numerous filiform hairs; th'orax va- 

 ried with very pale ferruginous, and whitish, armed with 

 about six blackish, acute spines each side, of which four 

 are in a marginal series, the anterior one smallest and 

 placed at the posterior canthus of the eye; clypeus deeply 

 emarginate in the middle, and more obtusely so each 

 side, minutely dentate, with three indented lines, and four 

 or six-spined at tip; orbits without distinct fissure, above 

 three-spined, beneath spinous; antenna^ exteriores more 

 than half the length of the thorax; feet with four or five 

 small teeth above on the third joint, that of the anterior 

 pair with two prominent acute spines at tip separated by 

 the impressed band, second joint of the anterior feet den- 

 tated on the anterior edge; carpus with fifteen or twenty- 

 erect, acute, blackish spines; hands large, unequal, spi- 

 nous, spines erect, blackish, more obtuse towards the 



