EUPITHECIA. 147 
15. Eupithecia oretilia, sp. n. (Tab. LV. fig. 1.) 
Primaries and secondaries pure white slightly irrorated with black scales, each wing crossed from the costal to 
the inner margin by a submarginal row of small black spots, and with a black dot at the end of the cell, the 
marginal line spotted with black, the fringe white; the underside as above: head, thorax, abdomen, 
antennx, and legs white. Expanse ? inch. 
Hab. Guaremata, near the city 5000 feet (Salvin, in mus. D.). 
One specimen, wanting part of the abdomen. 
16. Eupithecia —— ? 
Hab. Costa Rica, Volcan de Irazu 6000 feet (Rogers). 
One specimen. Apparently allied to . cerynea. 
17. Eupithecia choma, sp.n. (Tab. LV. fig. 2, ¢.) 
Male. Primaries pale brown, mottled with darker brown at the apex and along the outer margin, a black spot 
at the end of the cell, the fringe brown; secondaries uniformly pale brown: head, antenna, thorax, 
abdomen, and legs pale brown. Expanse ? inch. 
Hab. Mexico, Amecameca in Morelos (Ff. D. G.). 
One specimen, captured in April 1888. 
18. Eupithecia pactia, sp. n. (Tab. LV. fig. 3.) 
Primaries pale brown, crossed from the costal to the inner margin by two faint darker brown lines, a row of 
small whitish spots extending from the apex to the anal angle, the fringe brown ; secondaries pale brown, 
paler at the base, the fringe brown ; the underside very much as above: head, antenne, thorax, abdomen, 
and legs pale brown. Expanse ? inch. 
Hab. Mexico, Jalapa (MU. Trujillo). 
One specimen. 
19. Eupithecia (?) panda, sp. n. (Tab. LV. fig. 4.) - 
Primaries reddish-fawn-colour, crossed by very fine waved lines, a small black dot at the end of the cell; 
secondaries paler in colour, streaked with reddish-brown on the inner margin; the underside very much 
as above: head, antenne, thorax, abdomen, and legs brown. Expanse 14 inch. 
Hab. Costa Rica, Volcan de Irazu 6000 feet (Rogers). 
One specimen. 
20. Eupithecia (?) osiana, sp. n. (Tab. LV. figg. 5,3; 6,2.) 
Male. Primaries dark grey, thickly irrorated with black scales ; secondaries paler, excepting along the inner 
margin; the fringe grey ; the underside of the primaries pale grey, that of the secondaries white: head, 
antenne, thorax, and abdomen dark grey.—Female. Primaries pale grey, crossed from the costal to the 
inner margin by two waved black lines—the first near the base, the second beyond the middle,—a small 
black streak at the end of the cell; secondaries pale grey, whitish in the cell, the inner margin and anal 
angle thickly irrorated with black scales; the fringe greyish-white ; the underside greyish white, with 
the outer margins streaky : head, antenne, thorax, abdomen, and legs grey. Expanse, 3 2, 9 15); inch. 
Hab. Mexico, Northern Sonora (Morrison). 
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