26 HETEROCERA. 
3. Oxydia apidania. 
Phalena Geometra apidania, Cram. Pap. Exot. iii. p. 103, t. 252. ff. C, D’. 
Oxydia apidaniata, Guen. Sp. gén. des Lép. ix. p. 58°. 
Oxydia apidania, Walk. Cat. xx. p. 51°; Moschl. Verh. zool.-bot. Ges. Wien, 1881, p. 397°. 
Hab. Mexico, Coatepec (coll. Schaus), Cuesta de Misantla (I. Trujillo); PaNaMa, 
Chiriqui (Arcé, in mus. D.; Trotsch, in mus. Staudinger), Bugaba 800 to 1500 feet 
(Champion), Colon (Boucard, in mus. D.).—Gotana, Surinam * ? * *. 
This species varies to an indefinite extent. We have received a good series of 
specimens, but hardly two of them are exactly alike on the upperside: some are quite 
dark brown, with the lines crossing the wings very indistinct; others are of a pale 
colour, with the brown lines sharply defined. The underside, on the contrary, exhibits 
very little variation. It is possible that one or the other of these forms may belong to 
the species described by Guenée. 
4, Oxydia vesulia. 
Phalena Geometra vesulia, Cram. Pap. Exot. in. p. 79, t. 240. ff. B, C’. 
Oxydia vesuliata, Guen. Sp. gén. des Lép. ix. p. 60°. 
Oxydia vesulia, Walk. Cat. xx. p. 53 ’. Méschl. Verh. zool.-bot. Ges. Wien, 1881, p. 396‘; Beitr- 
zur Schmett.-Fauna von Jamaica, p. 67°. 
Hab. Mexico, Paso de San Juan in Vera Cruz (coll. Schaus); GUATEMALA, Coatepeque, 
Panzos (Champion); Panama, Chiriqui (Zrétsch, in mus. Staudinger), Bugaba 800 to 
1500 feet, Volcan de Chiriqui 2000 to 3000 feet (Champion).—Gutana, Surinam ! 8, 
Cayenne 237, Paramaribo *; Ecuapor ; Brazit; ANTILLES, Jamaica >, Haiti. 
This appears to be a common and widely distributed species in Tropical America. 
O. vesulia may be distinguished from all the allied forms by having the baek of the 
head white. 
5. Oxydia vitiligata. 
Oxydia vitiligata, Feld. & Rogenh. Reise der Novara, Lep. t. 122. £.17°. 
Hab. Mexico, Coatepec (coll. Schaus; Brooks), Cuesta de Misantla (M. Trujillo), 
Teapa in Tabasco (H. H. Smith); Guatemata, in the city (Rodriguez), San Gerénimo 
and Panima in Vera Paz (Champion); Costa Rica (Gabb, in mus. D.); PANAMA, Chiriqui 
(Trotsch, in mus. Staudinger), Volcan de Chiriqui 2000 to 3000 feet (Champion).— 
Ecvapor; Brazi!; Perv ; PARAGUAY. 
I believe this insect to be a well-marked dark form of O. vesulia (Cram.). It varies 
very considerably in size, colour, and markings. The males are always darker than the 
females. We have received a very large series of it from our region, and also from 
South America. 
