12 Grote and Robinson's Lepuhpterohgical 



bear the thoracic legs are testaceous beneath. Supra-anal plate black. 

 The swelled portion of the prothoracic ring, dorsally, is entirely 

 orange-yellow. Food plants : Apple, cherry, etc. (Rosaceas.) (Auth. 

 Angus.) 



Coll. Ent. Soc, Philadelphia. 



Datana major, sp. nov. (PI. 2, fig. 3, 2 •) 



Size large; form, stout. Of a uniform tawny reddish -brown. Anterior 

 wings broad, slightly excavate between the nervules along external 

 margin; pale reddish-brown, with a brighter, more tawny shade along 

 costa centrally and above apical streak; partially and distinctly irro- 

 rate with brown scales which do not extend over the superior bright 

 shade. Five transverse brown lines. The first conspicuously arcuate. 

 A dark median discal dot. Discal cross-vein largely covered with dark 

 scales. The second line obsolete on costa, angulated beyond the disc, 

 thence running inversely oblique to internal margin. The third line 

 prominent, running parallel to the second. The fourth faint, con- 

 tiguous to fifth, which latter is distinct and slightly arcuate. Apical 

 streak, obsolete superiorly; fringes dark. 



Posterior wings pale reddish-brown, nearly concolorous with anterior 

 wings, becoming paler at base, with no traces of a median shade. 



Under surface paler than upper, immaculate; fringes darker. 



The scales which clothe the head and form the dark thoracic patch, 

 are tawny-brown, deepening in color towards the edges on the thorax; 

 metathoracic and lateral hairs, concolorous with anterior wings at base. 

 Abdomen, pale reddish-brown, with a testaceous tinge. 



Exp. 2 , 2.10 inches. Length of body, 2.20 inches. 



Habitat. — Maryland, (R. Stratton.) Coll. Ent. Soc. Philadelphia. 



By a parity of reasoning this stouter species with broader wings and 

 modified ornamentation, may be regarded as distinct from its con- 

 geners, though we have but a single specimen before us. 



ff Anterior icings entire. 

 Datana integerrima. sp. n. (Plate 2, fig. 4, 2 •) 



Dark reddish-brown. Anterior wings entire along external margin, 

 thickly and evenly covered with fine scattered irrorations, with a bright 

 shade extending along costa centrally and above apical streak. Five 

 transverse dark-brown lines. The first moderately arcuate, margined 

 within by a paler shade. A central discal dot. The space between 

 the first and second transverse lines darker. The second line covers 

 the outer discal dot and is margined outwardly by paler scales, as are 

 the third, fourth and fifth lines. The position of all these lines is 



