AMERICAN LKl'IDOl'TKRA. 2()0 



12. NYCTEROSEA n. gen. 

 Type brunneipennix Hulst. 



Palpi in(i(l('i-at('ly loiii^, porrect or droopiiiii ; antennje simple, Avith 

 fascicles of hairs two on each sci^nieiit. Abdomen with segments 

 tufted. Legs rather long, hind tihiic with two pairs of spurs; fore 

 wings 12 veins, two accessory cells, 6 short stemmed with 7 ; hind 

 wings small, tS vein.s, cell rather short, o and 4 stemmed, (i and 7 

 stemmed, 8 with cell nearly its whole length. 

 Species. — X. bnnut.cijjeiiti.is Ilnlst, n. s[). 



iV. briiiiiK'ipoiiiiiM n. sp.— Expands 27 mm. Palpi, liead and antcnnje 

 fuscous : tlionix and alxlomen ochreous fuscous, tlie ochreous tint more decided 

 on tlie al)domen ; fore wings oclireous brown crossed by a number of mostly sub- 

 l»arallel wavy cross-lines; two of these are near the base, another about one-third 

 out. and following this on middle field two separate at costa and narrowing 

 towards inner margin, whose undulations are opposite to each other ; these inclose 

 a blackish spot irregular in outline, extending from costa to below submedian 

 vein, and again a])i>e,irs in a rounded blackish spot near inner margin ; after two 

 faint scalloped lines is one darker, more sharply outlined, the line being more 

 emphasized below middle, and there at veins 3, 4 and 5 followed by faint whitish 

 spots; the brown of the wings is also more decided in this part of the wings; 

 faint marginal shadings with a blackish suhajjical cloud running inwardly and 

 posteriorly, this having on its outer margin two or three faint whitish spots; 

 hind wings concolorous with fore wings, but lighter anteriorly and basally, with 

 t wo faint blackish middle cross-lines ; another still further out edged with whitish, 

 and a i-ow of faint whitish spots in the brownish submarginal space; a marginal 

 l)roken black line on all wings; beneath very much as above, but the central 

 cloud of fore wings wanting and the cross-lines more indistinct or lost altogether, 

 except the outer central one on both wings. 



( )ne % , Alameda County, California. Vyy Dr. C. V. Kiley from 

 the U. S. Museum collection. 



1.3. <'IIIiORO«"I.YSTIS Hub. 

 Verz. 323, 1818. 



Type coroniita Hiib. 



Palpi moderate, porrect ; tongue develoj)e(l ; front with short tuft 

 of scales ; antenn;e of S filiform, ciliate ; thorax smooth. Abdo- 

 nicn witli tuft dorsallv on each segment ; hind tibiae with two pairs 

 of spurs; fore wings one accessory cell, 12 veins, 11 anastomosing 

 with 12; hind wings and 7 stemmed, 8 with cell to beyond miildle. 



Difiers from Tephroclystis {Euplthecia) in that vein 11 of fore 

 wings coalesces with 12. 



Species. — C. lnco)ispicua Hulst, n. sp. 



TRANS. AM. ENT. SOC. XXIII. JULY. 1896. 



