HOLOPH YSIS,—PERIORISTICA, d1 
grey scales preceding the termen; cilia greyish, becoming almost white at the apex, with a dark line 
running through them at their base. Zp. al. 8 mm. Hindwings and cilia greyish fuscous, the latter 
tipped with white at the apex. Abdomen greyish fuscous; white beneath. Legs greyish tuscous, with 
white patches on the tibiae, and white spots on the tarsal joints. 
Type 3 (65716) Mus. Wism. (Godm-Salv. Coll.). [PT. (65717) US. Nat. Mus.] 
fab. Mexico: tasasco: Teapa, III. (H. H. Smith). Two specimens. 
4. Holophysis xanthostoma, sp. n. (Tab. I. fig. 27.) 
Antennae dark brown, the terminal six joints white. Palpi and Haustellum yellow. Head brown; face 
steel-white. Zhorax bronzy brown. Forewings dark bronzy brown, shading into shining brassy 
metallic along the dorsum below the fold, and in a broad oblique terminal band; two shining pale 
aeneous costal spots, one near the base, the other a little before the middle, are followed by two minute 
white costal dots, one about the middle, the other beyond; cilia brownish. Zwp. al. 9 mm. Hindwings 
and cilia brown, paler than the forewings. Abdomen bronzy grey. Legs, anterior pair yellow at the 
base; posterior mouse-grey above, whitish aeneous beneath. 
Type 5 (65735) Mus. Wism. (Godm-Salv. Coll.). 
Hab.. MEXICO: GUERRERO: Omilteme, 8000 ft., VII. (H. H. Smith). Unique. 
Closely allied to guadrimaculata W1sm., but easily separable by its yellow palpi and 
front tibiae. 
PERIORISTICA, gen. n. 
(weptopiorexh = serving to determine.) 
Type: Perioristica chalcopera, sp.n. (Tab. I. fig. 28.) 








J. H. Durrant, del. Lone 
10. Perioristica chalcopera Wism. 6. 
Antennae 3, simple, smooth ; basal joint without pecten. Labial palpi ascending, recurved, tapering, acute, 
smooth; terminal joint scarcely half as long as the median, which is slightly thickened. Mavillary Palpi 
short, dependent. Haustellum well-developed. Ocelli present. Head and Thorax smooth. Forewings with 
straightened costa, obtuse, not depressed, apex falsely uncate by dependent produced point in cilia; 
termen slightly oblique, tornus rounded: neuration 12 veins; 7 and 8 stalked, to costa; 2-6 separate, 
2-3 approximate. Hindwings broader than forewings, somewhat trapezoidal, widening outward, apex 
slightly rounded, termen oblique, slightly sinuate, tornus well-defined, but blunted: neuration 8 veins ; 
