LEPTDOPTERA HETEROCERA. 219 



Sphinx Gordius, Cram, Pap. Exot. iii. 91, pi. 247, f. B. Harris, 



Amer. Journ. Sci. xxxvi. 295, 6. 

 Lethia Gordius, Hubn. Verz. Schmett. 141, 1512. 



a. United States. Presented by E. Doubleday, Esq. 



b. North America. Presented by H. Jones, Esq. 



10. Sphinx sordida. 



Fusco-cinerea, sublux pallidior ; thorax nigro quadrivittatus ; ab- 

 domen vittis duabus dorsalibus testaceis fasciisque interruptis 

 albidis ; alee anticce fasciis incompletis fuscis lineisque disca- 

 libus nigris ; posticce nigrce vittis duabus ciliisque canescen- 

 tibus. 



Sphinx sordida, Harris, Amer. Journ. Sci. xxxvi. 296, 7. 



a — c. United States. Presented by E. Doubleday, Esq. 

 d. United States. From Mr. Milne's collection. 



Mexico. 

 The following species belongs to the group of S. Ligustri. 



11. Sphinx lugens. 



Nigro-cinerea ; capitis thoracisque latera pallidiora ; thorax nigro 

 bivittatus ; abdomen fasciis interruptis albis et nigricantibus ; 

 al& anticce fusco subtincta, lituris discalibus strigisque disca- 

 libus et exterioribus nigris, guttis duabus discalibus albidis ; 

 postica nigrce, fasciis duabus albidis undulatis. 



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 black costal marks, and with black discal and exterior streaks ; 

 two whitish discal dots, the fore one occasionally obsolete. Hind 

 wings black, with two whitish undulating bands ; cilia? white. 

 Length of the body 17 — 19 lines ; of the wings 42 — 46 lines. 



a — e. Mexico. From M. Hartweg's collection. 



U2 



