210 LEPIDOPTERA OF NORTH AMERICA. 



3. S. modesta Harris. Figured in Agas. Lake Sup. pi. 7. 



Palpi, head, thorax and abdomen olivaceous. Anterior wings 

 from the base to nearly the hind end of the disk very pale oliva- 

 ceous, with an indistinct, irregular, darker streak across the mid- 

 dle, and margined towards the base of the wing with a still paler 

 hue ; a broad, deep, olivaceous, median band, undulating ante- 

 riorly and crenated or undulating posteriorly, containing a pale, 

 angular, discal spot and darkest towards the base of the wing ; a' 

 deep, olivaceous band across the middle of the nervules crenated 

 posteriorly and bordered with a paler hue ; the remainder of the 

 wing is deep olivaceous with a paler band from the middle to the 

 inner angle, posterior wings purplish-red in the middle, with a 

 transverse, black spot above inner angle and a blackish, olivaceous 

 patch beneath it; in the male the wing is olivaceous exteriorly and 

 along terminal border. 



Pupation. Mr. Ashton, of N. Y., has taken the perfect insect in 

 July. 



Food-plants. Mr. Crist, of Nazareth, Northampton Co., Pa., 

 informed me he found a larva of this insect several years ago on 

 the Lombardy poplar. 



Massachusetts; Lake Superior; Pennsylvania; Sonora, Mex., 

 New York. 



Clemens. 



•|"j" The hind margin of fore wings angulated and excavated. 



Articles of the antennce with single short pectinations in % , 

 le in the 9 . 



4. S. geminatus Say. Sphinx ocellatus jamaicensis Drury. Smerinthus ce- 

 risii Kirby. Figured in Drury II, pi. 25. Kirby Faun. pi. 4. Say's 

 Amer. Ent. 1, pi. 12. 



Palpi reddish-brown; head thorax in front and tegulse whitish 

 or pale gray, with a large, thoracic, dorsal, deep chestnut, semi- 

 oval patch. Abdomen brownish-gray. Anterior wings gray, 

 tinged with rosy and with dark brown streaks and patches ; two 

 curved, brownish, basal lines bordered with rosy-gray ; the basal 

 half of medio-posterior interspace filled by a dark brown or a fer- 

 ruginous brown patch, joined by a line of the same hue crossing 

 the disk from the costa and obliquely by another from the upper 

 third of inner margin, shaded posteriorly with brownish, through 

 the centre of which passes the sub-median nervule ; discal spot 



