OF PHILADELPHIA. 391 



processes resemble those of c/tps^i/ra, and tlie neck of the wiug8 

 is fuscous as in Janata S. 



[This is ufi". \-g^tttata Burui. Ilandb. 2, 887. — Uhlkr.] 



6. iE. JANATA. — Wings immacuhite ; abdomen contractod 

 near the base, banded ; anal processes at tip unarmed, pedi- 

 form. 



Inhabits Massachusetts. 



% Eyes in contact above ; occiput dusky ; posterior canthus of 

 the eyes dull yellowish ; space between the eyes transversely 

 triangular, depressed, dusky, excepting the posterior edge, which 

 is yellowish, and is a raised line; antennoe and vertex black, ex- 

 cepting a transverse, obscure, arcuated line ; front yellow ; [14] 

 suniinit with a black line and anterior margin ; thorax brown, 

 two dull glaucous vitta; before ; pleura, two obli»|Uo yellow vittae, 

 margined with black; wings hyaline, immaculate ; basal neck 

 fuscous ; anal membrane white; stigma dull yellowish; abdomen 

 dusky ; third segment deeply contracted ; segments with a yel- 

 lowish band at base, interrupted one at tip, and spot in the mid- 

 dle ; caudal segment but little shorter thau the preceding one, 

 and carinate at base, beneath with the lateral tubercles of the 

 second segment compressed and denticulated; caudal processes a 

 little undulated, being slightly dilated beneath near the base, and 

 more obviously so towards the tip, so as to be pediform ; tip un- 

 armed ; inferior process hardly half as long as the superior ones ; 

 feet yellowish, blackish beneath. 



Length over two inches. 



Sent to me by Dr. Harris. I have not seen the female. 



It resembles constricta S., but is smaller, the caudal segment 

 is subequal to the preceding segment, and the superior caudal 

 processes are suddenly enlarged near the tip, and arc unarmed. 



7. -i-E. FURCILLATA. — Inferior anal process widely forked at 

 tip. 



Inhabits Massachusetts. 



% ]V)dy brownish ; pleura with three obli([UO, yellow lines ; 

 between the wings varied with whitish ; wings immaculate, anal 

 membrane white ; stigma fuscous ; abdomen, third segment very 

 much contracted; segments with a double spot at tip, a [15] 

 smaller double one in the middle, and a triangular spot at base ; 

 anal processes narrow, foliaceous, on their basal half subcylindri- 

 1839.] 



