PLUSIA. 329 
of the thorax and the tips of the tegule dark brown, the upperside of the abdomen golden, the underside 
of the thorax and of the abdomen white, the antenne, palpi, and legs pale yellowish-brown. Expanse 
12 inch. 
Hab. Mexico, Amula in Guerrero 6000 feet (7. H. Smith). 
One specimen, captured in August 1888. 
9. Plusia arianda, sp.n. (Tab. XXX. fig. 11,2.) 
Primaries brilliant metallic golden, the costal margin edged with pale whitish-fawn-colour, from which two 
\V-shaped marks extend partly across the wing (the first the smallest and nearest the base, the second at 
the end of the cell), a small fawn-coloured streak on the inner margin close to the base, the fringe golden- 
brown and pale fawn-colour ; secondaries white, dusky at the apex and round the outer margin, the fringe 
white: head, thorax, and tegule pale fawn-colour; the antenne, abdomen, and legs yellowish-brown. The 
male only differs from the female in having the secondaries whiter. Expanse, ¢ 9, 12 inch. 
Hab. Norta America, Arizona (Morrison, in mus. D.).—MeExico, Northern Sonora 
(Morrison). 
Two examples, a male from Arizona and a female from Northern Sonora. Allied to 
P. coronides. 
3. Plusia smithi, sp. n. (Tab. XXX. fig. 12, 2.) 
Primaries rich metallic golden, the costal margin from the base to the apex broadly bordered with creamy- 
white, the outer and inner margins bordered with a fine white line, a white streak extending from the 
cell to the outer margin, the fringe white; secondaries cream-colour, more dusky in the female than in 
the male, the fringe white; the underside of both wings dusky white, the costal margin of the primaries 
tinged with yellow: head, thorax, tegule, and the base of the abdomen white, the rest of the abdomen 
yellowish-white ; the antenne and legs pale fawn-colour. LExpanse 12 inch. 
Hab. Mexico, Tierra Colorada in Guerrero 2000 feet, Teapa in Tabasco (H. H. Smith). 
I have much pleasure in naming this fine insect after Mr. Smith, who has recently 
captured examples of four of the finest and most remarkable species yet known of this 
genus. Our specimens are labelled as having been captured at Teapa in March and 
at Tierra Colorada in October 1888. 
4. Plusia acantha, sp.n. (Tab. XXX. fig. 13.) 
Primaries rich dark brown, with a large darker brown patch irrorated with metallic golden scales on the inner 
margin close to the base, a small metallic golden spot at the base nearest the costal margin, and a broad 
\/ -shaped mark crossing from about the middle of the costal margin to the anal angle and from the anal 
angle along the outer margin to the apex, the fringe pale brown; secondaries dark brown, the fringe 
greyish-brown; the underside of both wings dark brown, the costal margin of the primaries yellowish- 
brown: head, thorax, tegule, and abdomen dark brown, the collar with a few yellowish scales mixed 
with the dark brown, the palpi and the underside of the head and thorax yellowish-brown, the underside 
of the abdomen and the anus pale yellowish-brown; the legs brown, the antenne dark brown. Expanse 
1} inch. 
Hab. Mexico, Amula in Guerrero 6000 feet (H. H. Smith, Aug. 1888); GuaTEMALA, 
San Gerdénimo (Champion). 
This very beautiful species is allied to P. howardi, Edw. 
BIOL. CENTR.-AMER., Heter., Vol. I., November 1889. 2 tt 
