AMERICAN LEPIDOPTERA. 293 



cous ophreous ; base dark brown, aud a central broad band of tbe same color. 

 The central band evenly rounded within, and the basal portion rounded without, 

 the ground color between having its sides subparallel and nearly as wide at costa 

 as at inner margin ; outer edge of central band somewhat sinuous wavy, the band 

 itself being nearly as broad at inner margin as at costa, an outer scalloped line 

 brown, the teeth inward; faint indications of submargiual wavy lines; hind 

 wings same color as fore wings with the wing to middle considerably darker ; 

 faint indications of outer wavy lines; discal spots black, distinct on all wings, 

 somewhat elongate on fore wings; underneath fuscous, the inner half of all 

 wings darker: discal spots as above. 



Alaska. 



X. ueinorella n. sp — Expands 31 33 mm. Head, thorax and abdomen 

 dark fuscous ochreous. Wings smoky ochreous, with a baud of chocolate-brown 

 on fore wings near middle. This band is evenly rounded within, sinuous without, 

 three to four times broader at costa than at inner margin : faint indications of 

 submargiual wavy shades; hind wings without band, but with faint wavy shad- 

 ings; discal spots wanting on hind wings, and scarcely or not at all evident on 

 fore wings ; veins on fore wings bi-okeuly lined with black ; beneath as above, 

 with a strong reddish shading, the central band faiutl.v showing on fore wings, 

 and a faint dentated central line on hind wings. 



California ; Alaska ; Aleutian Islands. Very much like the pre- 

 ceding species, but with fore wings more pointed and subfalcate, 

 larger, and with a differently shaped central band. 



X. illocata n. sp. — Expands 30-32 mm. Head fuscous; thorax and abdo- 

 men fuscous cinereous; fore wings pointed, somewhat falcate, light cinereous, 

 with a smoky washing ; fore wings without band, in some specimens without in- 

 dications of one, in others with outer lines of a central band present, black, wavy 

 on both sides, more separate at costa than at inner margin; hind wings unicol- 

 oroHs, discal spots faint or absent on all wings ; beneath color as ground color 

 above without markings. 



Alaska ; Oregon. This is closely allied with the two preceding. 

 My material is not very large, and it is possible that with more ma- 

 terial they may be found to intergrade. A'^. nemorella has superfi- 

 cially very much the sauie appearance as Zoiophleps lignicolorata 

 Pack., though the band of the fore wings is much more distinct. 



X. volucer n. sp. — Expands 30-34 mm. Palpi ocher fuscous or blackish ; 

 front and tliorax ocher fuscous, or fuscous gray. Abdomen ochreous ; fore wings 

 mouse-gray to ocher gray, darker narrowly along costa, unicolorous, except a 

 broad outer lightening of color beginning at costa extending backward to vein 5, 

 then making almost a right angle inward, gradually fading from costa and be- 

 coming lost beyond the angle : hind wings color of fore wings, or a sliade lighter, 

 unicolorous, or with a faint dentate black line running from middle of inner 

 margin subparallel with outer margin and on submargiual space ; beneath much 

 as above on fore wings, but the marginal field darker; costal edge at base jet 

 black, and an indication of a black line at costa within outer band, which is 



TEANS. AM. KNT. SOC. XXIII. AUGUST, 1896. 



