822 [September 



Descriptions of North American LEPIDOPTERA, No. 4. 



BY AUn. R. GROTE, 

 Curator of Entomology, Buffalo Society of Natural Sciences. 



NOTODONTINA, H-S. 



Genus PARATHYRIS, Hubner. 

 Paratbyris Angelica, nov. sp. (Plate 4, fig. 1. 9 •) 



Anterior wings truncate at the apex, excavate along external mar- 

 gin, pale soft steel-grey, with approximate median bands and two vitre- 

 ous spots between veins 4 and 6 (m.) in the terminal space. Basal 

 lines obsolete, the spaces evenly greyish slightly sprinkled with minute 

 brownish dots ; median space similarly colored, median bands very 

 approximate, diffuse, dark brownish, the transverse anterior nearly 

 straight, preceded by a wavy, sub-obsolete, shade line, the transverse 

 posterior arcuated at the disc, slightly undulate; discal spot minute. 

 Subterminal and terminal spaces darker shaded, subterminal band dif- 

 fuse, indistinct, bordering two moderate vitreous spots which are mar- 

 gined externally with brownish, situate in the interspaces between veins 

 4 and G (m.), the upper one the larger, quadrate with irregular mar- 

 gins, the lower triangular; fringes brown. Posterior wings entirely 

 pale brown with two darker median bands, the inner diffuse, broad. 

 dark brown, corresponding to the transverse posterior band of the an- 

 terior wings, the outer narrow, slightly undulate, margined outwardly 

 by a distinct pale shade ; external border shaded with greyish ; fringes 

 brown. Under surface of both wings greyish, shaded with pale brown- 

 ish at base, with a brown band corresponding to the transverse poste- 

 rior band of the upper surface of anterior, and inner band of posterior, 

 wings. Thorax and tegulae similarly colored with anterior wings, with 

 a brownish central crest, tegulae with a brown line ; abdomen pale 

 brown, resembling the posterior wings in coloration, greyish under- 

 neath, minutely sprinkled with brown, with two lateral white spots on 

 first and second segments ; head and palpi of a very pale brown shade ; 

 antenna short, pectinate, testaceous; legs clothed with greyish hairs, 

 sprinkled with brownish, all the tibiae furnished with lateral tufts of 

 long greyish hair tipped with brown. 9 Exp. l.OS inches. 



Hah. Middle States. (Coll. Ent. Soc. Phil.) 



