Lepidopterological Contributions. 355 



Dilophonota, Burmeister (1S56). 

 Erinnyis, Hiibner (1816). 

 Anceryx, p. Boisd., Ms. (1856). 



Stout species, characterized by the elevated, square thoracic 

 parts, which are but slightly advanced before the insertion of 

 the primaries : 



1, D. riraosa ! {Erinnyis rimosa, Grote.) 



2, D. congratulans, Gundlaeh, in litt. ! 



3, D. caricae, Burm. ! {Sphinx caricae, Linn., Sphinx cacus, 

 Cramer., Diloph. cacus, Burm. (Mexico !) 



II. 



External margin of anterior wings entire; a single slender 

 species with, otherwise, much the habitus of the species be- 

 longing to Group 3 : 



4, D. caicus. Burm. I {Sphinx caicus, Cramer.) 



III. 



External margin of anterior wings evenly and slightly 

 dentate ; the more typical group of the genus: 



5, D. ello, Burm. ! {Sphinx ello, Linn.) 



6, D. alope, Burm. ! {Sphinx alope, Drury.) 



7, D. merianae ! {Erinnyis mer., Grote.) 



8, D. oenotrus, Burm. ! {Sphinx oenot., Cramer.) 

 0, D. melancholica ! {Erinnyis mel, Grote.) 



10, D. cinerosa ! {Erinnyis cin., Grote.) 



11, D. pallida! {Erinnyis pal., Grote.) 

 ltf, D. obscura {Sphinx obscura, Fab.) 



13, D. stheno {Erinnyis stJieno, Hub.) 



14, D. guttularis ! {Anceryx gut., Walk.) 



Of these species but two are not certainly known to us. As 



