250 HETEROCERA. 
Thirteen species were placed by Guénée in this genus, Walker and Butler subse- 
quently adding seven others; with the exception of one from North America, the 
known localities for all of these is Tropical America. In our country Hemiceras is 
well represented by eight species, but Tropical South America seems to be its head- 
quarters. Many of the species are very much alike; they, however, appear to be very 
constant in their characters, as in the extensive series of specimens before me none show 
any variation in colour or markings. 
1. Hemiceras pallidula. 
Hemiceras pallidula, Guén. Spécies général des Lép. vi. p. 381, t. 13. f. 1°; Walk. Cat. xii. p. 9717. 
Hab. Mexico, Presidio (Forrer), Cordova (Riimeli), Jalapa (Schaus); Panama, Bugaba 
1000 feet (Champion).—Brazit !2, Rio Janeiro (mus. D.) 
This insect has a very extended range; the specimens before me from Rio Janeiro 
agree well with those from Central America. 
_ 2 Hemiceras trinubila. 
Hemiceras trinubila, Guén. Spécies général des Lép. vi. p. 882'; Walk. Cat. xii. p. 971%. 
Hab. Mexico, Jalapa (Schaus); GuaTEMALA, Coatepeque 1300 feet, Las Mercedes 
3000 feet (Champion); Panama, Volcan de Chiriqui 2000 to 3000 feet (Champion).— 
Brazit ! 2, 
We have received a good series of specimens from Guatemala, a few only from the 
State of Panama. 
8. Hemiceras pulverula. 
Hemiceras pulverula, Guén. Spécies général des Lép. vi. p. 382°; Walk. Cat. xii. p. 9727; Butl. 
Trans. Ent. Soc. Lond. 1879, p. 35°. 
Hab. Guatemata, Coatepeque 1300 feet, Senahu (Champion); Panama, Bugaba 
800 to 1000 feet, Volcan de Chiriqui 2000 to 3000 feet (Champion).—Braziu ! 2; 
AMAZONS 8, 
This species appears to be not uncommon in our country, but I have not seen any 
specimens from South America. 
4. Hemiceras deornata. 
Salamboria deornata, Walk. Cat. xxxiii. p. 8551. 
Hab. Mzxico, Jalapa (Schaus).—Cotomsia, Bogota !. 
This insect is allied to H. pulverula. The type of Salamboria deornata, Walk., is 
now in my own collection, and shows that Salamboria is undoubtedly congeneric with 
Hemiceras. The specimen obtained by Mr. Schaus is a female, that described by 
Walker a male. 
