228 HETEROCERA. 
Hab. Norra America .—Mexico, Jalapa (M. Trujillo, Schaus), Atoyac in Vera Cruz 
(Schumann), Cordova (fémelt), Chilpancingo in Guerrero 4600 feet (H. H. Smith) ; 
GuateMALa, San Gerdénimo, Sinanja, and Cubilguitz in Vera Paz, El Tumbador 
(Champion); Honpuras (Mus. Brit.); Costa Rica, Candelaria Mts. (Underwood).— 
West Coast or America (Kellett & Wood 2); Ecuapor; AMAZONS, Villa Nova ?; 
Brazit, Rio Janeiro ; ANTILLES, Dominica. 
A common species in Central America. It varies a good deal in size. The Costa 
Rican specimens are smaller than those from Mexico and Guatemala. 
2, Margaronia isoscelalis. 
Margarodes isoscelalis, Guen. Sp. gén. des Lép. viii. p. 3041; Leder. Wien. ent. Monats. vil. 
p- 898°. 
Margaronia eribotalis, Walk. Cat. xviil. p. 524°. 
Hab. Honpuras (Dyson *).—Braziv!?; ANTILLES, St. Thomas °. 
There are specimens of this species in the N ational Museum. 
3, Margaronia innotata, sp. n. (Tab. LXI. fig. 26.) 
Primaries and secondaries silky-hyaline-white; the primaries edged with golden-yellow along the costal 
margin, a small black dot at the end of the cell, the marginal line with black points, the fringe white ; 
the secondaries with a fine marginal black line: head, antenna, thorax, abdomen, and legs white, the anal 
tuft brownish-black. Expanse 1 inch. 
Hab. Mexico, Presidio (Forrer), Jalapa (M. Trujillo), Temax in North Yucatan 
(Gaumer); Honpuras, San Pedro (Whitely, in mus. D.); NicaRaeva, Matagalpa 
(Richardson); Costa Rica, Candelaria Mts. (Underwood), Rio Sucio (Rogers); Panama, 
Chiriqui (R7bbe). 
This species is allied to WM. quadristigmalis, Guen., from which it may be distinguished 
by its slightly shorter and broader wings, and by the absence of the small black dots on 
the costal margin of the primaries. ‘The sexes are very similar. | 
PACHYARCHES. 
Pachyarches, Lederer, Wien. ent. Monats. vil. p. 398 (1863). 
1. Pachyarches lustralis. 
Margarodes lustralis, Guen. Sp. gén. des Lép. viii. p. 306, Delt. et Pyral. t. 4. figg. 8, 9 (head) '. 
Margaronia lustralis, Walk. Cat. xviii. p. 5207. ; 
Pachyarches lustralis, Leder. Wien. ent. Monats. vii. p. 398°. 
Hab. Muxtco, Jalapa (Schaus, M. Trujillo), Rinconada and Paso de San Juan in 
Vera Paz (Schaus), Coatepec (Brooks), Mexico city (Hége); GuaTEMALa, in the city 
(Rodriguez); Costa Rica, Candelaria Mts. (Underwood) ; Panama, Volcan de Chiriqui 
2000 to 3000 feet, Taboga I. (Champion).—Ecuavor ; Brazin; ANTILLES, Haiti ?? 3, 
This is a common insect in Tropical America. The large series of specimens before 
