OP PHILADELPHIA. 40S 



thirteen ; stigma yellowish ; a fuscous longitudinal spot on the 

 middle [30] of the base of the superior wings as long as the 

 width of the thorax ; a large, triangular, fuscous spot at the 

 base of the inferior wings, a little longer than that of the ujjper 

 wing ; anal membrane white ; abdomen with a dorsal and lateral 

 edge ; anal processes somewhat linear, a little arcuated, not nar- 

 rowed at base, minutely denticulated towards the tip, which is 

 acute ; inferior processes nearly as long as the others. 

 Length one inch and two-fifths, 

 I have not seen the female. From Dr. Harris. 



19. L. CYNOSURA. — Posterior wings with a small fuscous spot 

 at base ; anal processes excurved. 



Inhabits Massachusetts. 



% Body brownish ; head with a black line between the an- 

 tennas ; tubercle above the antennas large ; eyes in contact above 

 by a curved line ; pleura pale greenish, a yellow band beneath the 

 anterior wings ; wings hyaline ; anteriors immaculate ; about six 

 costal cellules between the middle and the stigma, which is dull 

 yellowish; posterior pair with the basal, costal, and subcostal 

 cellules fuscous, and an irregular fuscous spot between them and 

 the anal angle ; anal membrane white ; abdomen with a dorsal 

 and lateral edge ; on each side, near the base, a, yellow spot, be- 

 yond which is a honey -yellow vitta : anal processes longer than 

 the caudal and ultimate segment of the abdomen together a lit- 

 tle dilated and curved outwards towards the tip, which is rounded, 

 abruptly narrowed beneath towards the base ; inferior process 

 two-thirds the length of the superior ones. [31] 



Length one inch and a half. 



Resembles exusta, but differs in the number of costal cellules 

 and in the form and length of the anal processes. 



It was sent to me by Dr. Harris. 



[Belongs to Upitheca, and is perhaps E, semiaquea ? Burm. — 

 Uhler.] 



20. L. TENERA. — Wings with an abbreviated band and sub- 

 basal spot. 



Inhabits Indiana, Pennsylvania, and Massachusetts. 



9 Body fuscous ; frontal vesicle yellowish, brownish above ; 

 eyes contiguous above ; thorax with two broad glaucous vittse 

 1839.] 



