58 HETEROCERA. 
HYGROCHROMA. 
Hygrochroma, Herrich-Schaffer, Samml. aussereur. Schmett. p. 82 (1858) ; Walker, Cat. xxxv. 
p. 1561. | 
Pericallia, Groupe ii., Guenée, Sp. gén. des Lép. ix. p. 149. 
The type of this genus is Pericallia olivinaria, Herr.-Schaff. 
1. Hygrochroma olivinaria. | 
Pericallia olivinaria, Herr.-Schaff. Samml. aussereur. Schmett. p. 63, fig. 366 °. 
Hygrochroma olivinaria, Herr.-Schaff. loc. cit. p.82°; Walk. Cat. xxxv. p. 1561 °. 
Hab. Mexico, Milpas in Durango 5900 feet (Forrer), Amula in Guerrero 6000 feet 
(H. H. Smith), Coatepec (Brooks); Panama, Volcan de Chiriqui 2000 to 3000 feet 
(Champion).—Braziu 1? °, 
The female of this species varies considerably in colour, some specimens being much 
darker than others. | 
2. Hygrochroma nondina, sp.n. (Tab. XLVI. figg. 24, ¢ ; 25, 26, 3.) 
Male. Primaries and secondaries brown ; the primaries with a large pale fawn-coloured semi-oval spot on the 
costal margin near the apex, a round black spot at the end of the cell, a dark brown angular line crossing. 
from the costal to the inner margin near the base, a brown line partly crossing from the inner margin 
beyond the cell, and a narrow white curved line extending from the apex to the inner margin near the anal 
angle, the outer margin of the wing clouded with greyish ; the secondaries crossed about: the middle by a 
brown line, beyond which is a very narrow waved white line, the outer portion of the wing clouded with 
greyish ; the fringe of both wings dark brown; the underside pale brown, thickly irrorated with darker 
brown, both wings with a submarginal pinkish-white line and a black dot at the end of the cell, the 
primaries with the outer margin broadly bordered with dark brown, the secondaries with a faint zigzag 
whitish line extending from the apex to the anal angle: head, antenne, and front of the thorax pale 
fawn-colour, the rest of the thorax, the abdomen, and legs brown. Female. Primaries and secondaries 
dull brown, both wings crossed by a dark brown line; the primaries with a small grey spot on the inner 
margin near the anal angle, and the pale mark on the costal margin much more indistinct than in the 
male; the underside paler than in the male, and with all the markings much more indistinct: head, 
thorax, abdomen, antenne, and legs dull brown. Expanse, ¢ 2, 2 24 inches. 
Hab. Mexico, Jalapa (Hége), Coatepec (Brooks); Guaremata, Quiche Mountains 
7000 to 9000 feet, Panajachel 5000 feet, Volcan de Atitlan 2000 to 3500 feet (Cham- 
pion); Panama, Volcan de Chiriqui 2000 to 4000 feet (Champvon). 
Varies considerably in colour, some specimens being olive-green, others reddish-brown. 
Our figures are taken from Chiriqui examples. 
3. Hygrochroma bubona, sp. n. (Tab. XLVI. figg. 27,6; 28,2.) 
Male. Primaries and secondaries pale brown; the primaries crossed about the middle by a wide dark olive- 
brown band, which extends from the costal to the inner margin, a waved brown line crossing the wing 
near the base, a faint white line near the apex, and a row of small brown spots near the anal angle: the 
secondaries crossed below the middle by a narrow greyish line, the wing on the basal side of the line 
being shaded with reddish-brown, an indistinct submarginal zigzag greyish line extending from the apex. 
