OF PHILADELPHIA. 59 



placed transversely, and one near the tip of the opaque portion ; 

 poiscrs pale ; capitulum black boneatli, and near the tip above ; 

 feet pale, tarsi and anterior thighs dusky : terguui with silvery 

 hairs each side at base, and each side near the tip. 



Length three-tenths of an inch. 



Very clo.sely allied to A. murio Fab. I observed this species 

 in considerable numbers near Merrimac river, ISIissouri. The 

 terminal joint of the antennffi is rather short, by which character 

 it may be distinguished from A. ftdrohlrta Wied. It is referable 

 U) the fifth tribe of the genus Anthrax, agreciibly to Wiedmann's 

 divisions. 



2. A. LATERALIS. — Black ; wings hyaline ; sides with fulvouf 

 luiir ; tcrgum banded. 



Inhabits Pennsylvania and Maryland. [43] 



Ifypostoma and occipital orbits with white hair : stcthidium 

 with fulvous hair, particularly on the sides of the thorax, on the 

 pleura and collar; wings as far as the basal transverse ncrvure 

 fu.scous, costal ncrvures fuscous, the included areola yellowish- 

 brown , feet, the hair with a whitish reflexion ; tergum with a 

 baud of prostrate yellowish hair at the base of each segment, and 

 with long fulvous hair each side as far as the middle of the 

 length. 



Length nearly one-fourth of an inch. 



It belongs to Wiedemann's fifth tribe. 



3. A. SCRIPTA. — Wings varied with black and hyaline ; tergum 

 with four series of silvery points. 



Inhabits Pennsylvania. 



Head reddish-brown, obscure covered by yellow ferruginous 

 hair, intermixed with longer black hairs, a black band on the 

 hypostonia, a black spot on each frontal orbit, and vertex black ; 

 thorax dusky, or blackish, with three black vittie, sides before 

 the wings dull cinereous, bounded beneath by another black line, 

 beneath the posterior angles is a fii.scicle of gray hairs, above 

 which are a few ferruginous hairs ; scutel reddish-brown, with 

 short black hair, and a small white spot at the subangulatcd tip ; 

 pleura and pectus reddish-brown; feet reddish-brown, tarsi 

 blackish ; wings, costal areola with a small hyaline .spot, which is 

 the termination of a band extending in a slightly arquated di- 

 1823.] 



