4LJ 



the broad, blackish, median shade, lined with white, the outer edge being sin- 

 uate and slightly angulated on the first median venule. 



A specimen from Bridgton, Me., has been received from Dr Perley, 

 which agrees with Grofce's figure and description, except that he does not 

 mention or figure the black mesial line on the hind wings as being a little 

 angulated on the base of the first median vein, as it is in our specimen. It is 

 a male, which is too much rubbed to describe. 



Length of body, J, 0.65; fore wing, 6 , 0.85; expanse of wings, 1.15 

 inches. 



Amphidasis cognataeia Guenec. Plate 11, fig. 4. 



Amphidasia cognataria Guen., l'bal., i, 208, 1 -."7 . 



Walk.. List Lep. Het. Br. Mus., xxi, 307, 1860. 



3 $ and 2 9. — Of an ash, pepper-and-salt, or wood-brown color, being 

 speckled densely with blackish-brown. Prothorax and head part way down 

 the front white; front below smoky-brown. Hind edge of the prothorax with 

 a black line or collar extending to the base of the costal edge of the front 

 wings. An indistinct, diffuse, inner, curved line, with a second one nearer, 

 and diverging a little on the costa, being nearer together at the base, both 

 dilating and forming prominent costal spots. A third diffuse (often obsolete 

 except on the costa) line incloses the discal spot. An outer distinct black 

 hair-line always present; it is sinuate, with a large obtuse tooth on the inde- 

 pendent venule. A blackish costal patch halfway between the apex and ter- 

 mination of the fourth and outer line. Hind wings with three lines, an outer 

 distinct hair-line, as on the fore wings, angulated on the' independent venule. 

 A diffuse line crosses the middle of the wing, inclosing the discal dot ; a mar- 

 ginal, pale, diffuse, interrupted, narrow line runs through the middle of the 

 margin of the wing (in one female, all the lines are wanting except the 

 outer hair-line). Abdomen with two rows of obscure black spots. Beneath, 

 much paler, with all the lines reproduced faintly. 



Length of body, S, 0.70, 9, 0.70-0.80! ; fore wing, i, 0.95, 9, 0.95-1.20; 

 expanse of wings, 2.40 inches. 



It may at once be known by the narrow fore w 'ings, with the outer edge 

 longer than usual, and by the common black "hair-line, with a broad tooth on 

 the independent venule. 



Brunswick, Me., July (Packard); Salem, Mass. (Emerton); Albany, N. Y. 

 (Lintner and Meske). 



