388 HETEROCERA. 
26. Acrolophus lithopa, sp. n., Drnt. . 
Antennae strongly bipectinate; brownish ochreous. Palpi long, recurved, reaching to middle of thorax ; 
cinereous, with an admixture of dark fuscous hair-scales. Head and Thorax brownish ochreous, the 
latter much mixed with dark fuscous. Forewings pale brownish ochreous, irrorated with pale fuscous 
scales, tending to follow the lines of the neuration ; along the costa is a series of oblique dark fuscous 
spots, from some of which originate obscure broken transverse lines, the most noticeable of which 
crosses the wing obliquely inward at the end of the cell, and is connected toward the tornus with 
another broken line from near the apex; an elongate dark fuscous patch oceurs in the fold toward its 
base, and the termen is obscurely dark-spotted ; cilia cinereous, mixed with paler and darker fuscous 
scales. Exp. al.21 mm. Hindwings fuscous, paler toward the costa; cilia fuscous, with a pale line. 
along their base. Abdomen somewhat hairy, fuscous: genitalia, uncus double, curved downward, 
projecting slightly beyond the spatulate claspers. Legs (missing). 
Type 3 (66950) Mus. Wl1sm. (Godm-Salv. Coll.) BM. 
Hab. Mexico: purANGo: near Durango City (H. Becker). Unique. 
Forewings with veins 7-9 separate. 
27. Acrolophus echinon Druce. 
=cassicordis Dyar. . 
Felderia echinon Druce Ann-Mag. NH. (7 8.) '7 443 (1901)'. Felderia cassicordis Dyar Jr. NY. 
Ent. Soc. 15 : 1907 53 (1907) *. 
Types & 3 + echinon Druce $ (Orizaba, 4564 Wlsm. Det. 1904) Mus. J.J. Joicey ( Witley) ; cassicordis Dyar g 
(10153, Mewico) US. Nat. Mus. 
Hab. Mextco’?: puraneo: near Durango City (H. Becker): mexico’: Mexico 
City, V-VIII. (R. Miiller)?: vera cruz!: Orizaba (Boucard) *. 
The Type of echinon Druce exhibits two, somewhat unusually clear, white spots a 
little above the fold; the first triangular, at about one-third the wing-length, its apex 
pointing downward toward the fold, its base resting on the lower edge of the cell, this 
is somewhat clearly outlined by the dark fuscous space which precedes it and, passing 
around its apex, separates it by a broad oblique band from a similar and also rather 
triangular spot, preceding vein 2 and resting on the outer end of the fold with its 
apex upward. There are a few whitish scales also at the end of the cell, but not 
conspicuous; the darker colouring has a tendency to assume the form of lines 
following the neuration, as described, but imparts also to the whole wing-surface, 
above and beyond the white spots, a somewhat speckled appearance—the white spots 
themselves are less conspicuous (more blurred) in another specimen from near Durango 
City (67064). The uncus is double, curved over, not angulated, and reaching to the 
ends of the claspers, which are straight along their upper edge and somewhat dilated 
and rounded beneath._—W|sm. MS. 815/1904. 
28. Acrolophus condita, sp. n., Drnt. 
Antennae strongly bipectinate ; brownish ochreous. Pulpi recurved to middle of thorax; brownish ochreous 
clothed with dark fuscous hair-scales on their outer sides. Head and Thorax dark fuscous. Forewings 
fuscous, irrorated with blackish, with some admixture of brownish ochreous; the costa is obscurely 
spotted with blackish throughout—the spots near the apex being separated by brownish ochreous 

