﻿NORTH AMERICAN SPHINGIDiE. 169 



continued to the tip, and conspicuous black streaks at the base of medio-central and posterior interspaces ; 

 discal spot obscure and whitish ; fringes gray. Posterior wings grayish, with a black median band and 

 broad black marginal band, with a space on terminal margin from the middle to the inner angle, gray. 

 Beneath, thorax ash gray, abdomen white, with a few brownish ventral spots. 



Male and female, from Smithsonian Institution. Capt. Pope's collection. 



Egg. ? 



Young Larva. ? 



Mature Larva. ? 



Pupation. ? 



Food-plants. ? 



Geographical distribution. — Texas. 



Measurements — a Female. 



HEAD. 



THORAX. 



ABD( 



>men. 



BODY. 



ANT. WING, 



Length. Breadth. 



Length. Breadth. 



Length. 



Breadth. 



Length. 



Length. 



4-25 4-75—3-50 



7-00 7-00 



18-00 



6-50 



29-00 



36-00 



Group II. 



Size large or moderate. The head moderate. The eyes small and but moderately 

 salient. The tongue one-third longer than the body, or about as long or somewhat 

 shorter. The palpi are thick and slightly exceed the front, with which the- hairs of 

 the tip are scarcely identified. 



04. S. cinerea Hubner, Harris, p. 294, 2. Lethia Chersis Hubner, Exot. Schmctt. Lep. II., Spiting. 

 III., Leg. IV., Mand. B., Pond, 5. 



Head, palpi and thorax dark gray; tegulae tipped with whitish terminally, with a black line on the 

 superior edge and a short indistinct one above and parallel to it, and a metathoracic spot on each side. 

 Abdomen dark gray, with a black dorsal line and alternate black and white lateral demi-bands. Anterior 

 wings dark gray, with a black spot at base, a delicate black discal line ; a black streak at the tip 

 and in post-apical interspace, bordered above with pale gray, in sub-costo inferior, medio-central and 

 posterior interspaces, and a slender black line in sub-median sulcus ; a sub-terminal blackish line and one 

 near the margin bordered below with pale gray and both abbreviated toward costa. Posterior wings sordid 

 gray, with a broad median and a terminal black band. 



From Samuel H. Scudder, Esq., of Boston. 



Egg. ? 



Young Larva. ? 



Mature Larva. ? 



Pupation. ? 



Food-plants. — Dr. Harris found the larva on the lilac. 



Geographical distribution. — Massachusetts, Wisconsin. 



65. S. sordida Hubner, Harris, p. 296, 7; Walker, p. 219. Agrius Eremitus Hubn. Exot. Schmctt. 

 Lep. II., Sphing. III., Leg. IV., Mand. B., Pond. 4. Sphinx lugens Walker, p. 219 ?* 



* S. lugens. — Blackish gray, paler beneath. Head and thorax paler on each side. Thorax with two black 

 stripes. Abdomen with interrupted white and blackish bands. Fore wings slightly tinged with brown, with 



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