702 Mr. L. B. Prout on 



LXXVII. — ISeio Species o/Geometridae. 

 By Louis B. Prout, F.E.S. 



Subfam. CEnochrominm. 



Hypogra2:)ha bathrosema, sp. n. 



(^ . 40 mm. — Face without liorny prominence (? damaged). 

 Palpus with third joint rather long ; blackisli, somewliat 

 mixed with white. Antennal shaft ferruginous brown ; 

 pectinations somewhat more ochreou?, long, decreasing ; 

 last 10 or 12 segments merely serrate-dentate. Thorax 

 blackish, much mixed with wliite except posteriorly. Abdo- 

 men grey irrorated with fuscous. Fore wing with costa 

 nearly straight, subconcave ; termen strongly and rather 

 regularly dentate ; venation normal, stalk of SC*^ separate 

 from E\ R2 from well below^ middle of DC ; blackish 

 fuscous, somewhat irrorated with white, especially in proxi- 

 mal half of median area ; a white patch at base, slightly 

 sprinkled with fuscous and containing longitudinal black 

 marks from base, namely, a dash 2 mm. in length anteriorly 

 to cell, a rather longer one posteriorly to cell, and an irre- 

 gularly triangular blotch 3 mm. in length occupying the 

 space between submedian fold and SM" : antemedian line 

 from one-third costa to nearly one-half inner margin, 

 whitish, lunulate-dentate, the teeth pointing basewards on 

 M and SM- ; accompanied distally by a black line which 

 thickens into a broad shade anteriorly ; postmedian line 

 deeply sinuate basewards from W to R' and below M" ; 

 preceded by a black line ; cell-spot elongate, crescentic, 

 blackish, not distinct ; subterminal line white, zigzag, 

 somewhat interrupted ; terminal area pale (rubbed on both 

 wings) ; terminal line black. Hind wing with termen 

 crenulate ; base whitish as far as end of cell, thence light 

 purplish fuscous marked with black towards inner margin ; 

 a weak, diffuse, dark dentate line at proximal margin of the 

 dark area, absorbing the ill-defined, crescentic cell-mark; a 

 postmedian dark line following the same course as that of 

 fore wing; faint indications of a pale subterminal, most 

 noticeable towards tornus ; a fine black terminal line ; fringe 

 pale proximally, darker distally and broadly dark-marked at 

 the ends of the veins. Under surface of fore wing lio-ht 

 purplish fuscous, paler at inner margin, costal edge as far as 

 the postmedian line blackish, marked with white, median 

 and postmedian linos present ; of hind wing wliitish, 

 coarsely irrorated with purplish and blackish fuscous, median 



