neiv Sjjeci'es o/GeometriiUe. 705 



III tlie fore wing SO' arises separate, not from the b:ise of 

 stalk of SC^^; after anastoinosiiii^ very strongly with C it 

 does not touch SC^~*. Tiie hind leg is long and slender. 



Sllbl^Ull. ACIDALIIN^. 



Xeosterrha cryptereuthus, sp. n. 



cJ . 27 nun. — Face reddish, mixed with fuscous above ; 

 palpus reddish ; head otherwise concolorous with wings. 

 Fore wing slightly narrower (termen more oblique) 

 than in theVts, Warr. Nov. Zool. vii. p. 158 ; similarly 

 coloured and marked, the black cell-spot very large and 

 almost round — much larger than in ilielis. Hind wing not 

 angled (scarcely even bent) at R^ ; marked as in thetis, the 

 two white cell-spots large. Fore wing beneath almost uni- 

 form bright red, only the extreme inner marginal edge 

 concolorous with hind wing; postmediau line marked in 

 deeper red. Hind wing beneath pale greenish ochreoiis, 

 terminal and subterminal lines red. 



San Antonio, W. Colombia, 5800 feet, December 1907 

 {M. G. Palmer). Type in coll. L. B. Prout. 



Warren mentions what is evidently this species as a 

 variety of thetis, but does not allude to the difference of shape, 

 nor to the large cell-spot. It seems to be a quite distinct 

 species. 



Acidalia manifesta, sp. n. 



c? ? . 20-24 mm. — Size, colour, and aspect of corrivalaria, 

 Krelschmer, but with the markings grey, or at most slightly 

 ochreous grey, never clear ochreous; median shade of fore 

 wing more oblique, reaching inner margin just before one- 

 half, that of hind wing nearer base, well proximal to cell- 

 spot, never crossing or markedly bending round it ; post- 

 median line of both wings finer, not or at most very feebly 

 denticulate; a diffuse grey shade distally to postmedian 

 sometimes prominent ; both cell-spots always strikingly large 

 and distinct. Underside more weakly marked than upper 

 (in corrivalaria the reverse is the case). Hind tarsus in male 

 not much shorter than tibia — about tiiree-fourths (in corri' 

 valaria considerably less than one-half). 



Tien-tsin, type (J, 7th September, 1904) in coll. L. B. 

 Prout, together with a series of both sexes, August-September 

 1904, June 1905 and ?1906, all kindly presented by 

 Mr. Percy Richards. 



Variable in the strength of the markings, but always con- 

 spicuous in the bold, prominent discal spots. 



