﻿NORTH AMERICAN SPHINGIDiE. 167 



median black line and two angulated black streaks on the sides. Anterior wings with a white discal spot, 

 with transverse angulated interior brown and exterior black lines, with an exterior undefined white band 

 and streak behind, sometimes obsolete, and with exterior black streaks. Hind wings brownish, with three 

 blackish streaks. 



Geographical distribution. — United States." 



62. M. Forestan. — Sphinx Forestan Cramer, IV. 216, pi. 394, f. B. Cocytius Forestall Hub. Verz. Sch. 

 140, 1499. Macrosila Forestan Walker, p. 203. 



Tongue one-third longer than the body. 



Head and tips of palpi brownish gray, the latter beneath gray or whitish. Thorax with a black line in 

 front extended on the sides to tegulse, where it is bordered below with whitish. Abdomen brownish gray, 

 with a lateral black angulated band on each side, sometimes a black stripe with dull yellowish spots. 

 Anterior wings gray or hoary, more or less varied with green and pale brownish, with a black streak along 

 the base of inner margin, several black angulated lines crossing the disc and angulated black lines crossing 

 the base of the nervules; discal spot grayish, adjacent to which is a greenish brown median patch ; black 

 streaks at the base of medio-central and posterior interspaces and blackish circlets on the ends of posterior 

 nervules, with a black curved sub-apical line. Posterior wings nearly uniform blackish brown, with a 

 whitish patch above the interior angle crossed by two or three black lines ; sometimes with faint blackish 

 transverse bands. 



Collection Acad. Nat. Sciences, Philadelphia and Mr. W. H. Edwards, of Newburg. 



Egg. ? 



Young Larva. _ ? 



Mature Larva. $ 



Pupation . ? 



Food-plants. ? 



Geographical distribution. — South America, Honduras. 



Measurements — a Female. 





HEAD. 



THOEAX. 



ABDOMEN. 



BODY. 



ANT. WINGS, 



Length. 



Breadth. 



Length. Breadth. 



Length. Breadth. 



Length. 



Length. 



3-50 



? 2-50 



6-50 " 5-50 



13-00 6-00 



2300 



28-00 



SPHINX Linn. 



The size is very large, large or moderate. The body is long, tapering and cylin- 

 drical. The head free and prominent, the front broad, long and conical. The antennae 

 prismatic, a little longer than the thorax, with a short hook and seta. The tongue 

 variable. The thorax advanced and tapering on the sides to the head. , The abdomen 

 somewhat more than twice longer than the thorax and sometimes nearly thrice. The 



to the posterior edges, some being faint and others very distinct. The fringes are brown, spotted with 

 white. The inferior wings are of a very dark brown, but along the abdominal edges and corners are gray. 

 Fringe like that of the superior wings. Beneath, breast white ; abdomen white with four central reddish spots ; 

 anterior wings uniform, dark grayish brown, with a narrow white streak at the tips. Inferior wings crossed 

 by two faint lines and also of a dark grayish brown." 

 From New York, 



