OF PHILADELPHIA. 9 



white hairs, and two tubescles each side of the middle, which are 

 truncated at tip ; beneath white ; antennas reddish-brown, hairy ; 

 face maculated, a line of irregular spots [14] behind the eyes 5 

 eyes black ; spring flesh-colored. 



Length rather more than one-twentieth of an inch. 



Cabinet of the Academy. 



Found under the bark of the long leaved Pine [P. palustris) 

 in Georuia. 



[From Vol. 2, 1821 ; pp. 59—83.] 



An account of the ABACHNIDES of the United States. 



The following descriptions of the Araclmides of this country, 

 which respire by means of tracheae in the manner of insects, may 

 be regarded as the continuation of a series of essays, of which the 

 "account of the Crustacea," &c., is the first, on the vast orders of 

 articulated animals with articulated feet, (Annulosa of Cuvier) 

 natives of this country. As the nature of this journal precludes 

 the introduction of old matter or known facts, I shall confine 

 myself in its pages, to the description of such of these animals 

 only, as appear to be unknown to naturalists, or to the elucidation 

 of such, as from their obscurity, are not understood. 



Subclass I. CEPHALOSTOMATA. 



Order 1st, P0D0S03IATA. 



Genus *ANAPHIA.t 

 PI. 5. fig. 7.— a, Trophi. 



Artificial Character. — Mandibles longer than the rostrum, 

 first joint longer than the second ; palpi none ; nails single. 



Natural Character. — Body very slender, composed of four seg- 

 ments bearing feet, and a small suboval caudal process; head 

 prominent, not perceptibly contracted behind, and consisting of a 

 prolongation of the anterior segment of the body : eyes four, [60] 

 inserted on a common tubercle, upon the top of the head : mandi- 

 bles robust, didactyle, inserted at the extremity of the head, por- 

 rected, parallel, two-jointed, longer than the rostrum, first joint 



*From a, without, and af «, tactus the touch. 

 1821.] 



