452 JOURNAL, BO MBA Y NATURAL HISTORY SOCIETY, Vol. XVI. 



fringed with hair ; mid and hind tibiae spined ; abdomen dorsally clothed with 

 rough hair towards base and laterally fringed with hair. Forewing with the 

 apex somewhat produced ; veins 3 and 5 from near angle of cell ; 6 from upper 

 angle ; 9 from 10 anastomosing with 8 to form the areole. Hindwing with veins 

 3 - 4 from angle of cell ; 5 obsolescent from middle of discocellulars ; (>'7 from 

 upper angle. 



Sect. I. Antennas of female bipectinate with short branches. 



1948. Isochlora chi.oroptera. 



Sect. II. Antennae of female serrate. 



1947. Isochi.oka viiiiDis. Stand. Stett. Ent. Zeit., 1882, p. 39 : Alph. Hor. 

 Soc. Ent. Ross. XVII, p. 78, pi. 2, f. 5. 



Isochlora viriclis $ \. 

 Isoohlora albivitta, Alph. Hor. Soc. Ent. Ross, XXYI. p. 448 (1892); id. Rom. 

 Mem., IX., p. 42, pi. l,f. 3. 



Nonagria fuscovirens, Hmpsn., Moths. Ind., II., p. 285 (1894). 

 Habitat.— Siberia ; E. Turkestan ; Tibet ; Kashmir. 



Genus Orosagrotis. 



Type. 



Orosagrotis, Hmpsn. Cat. Lep. Phal. B. M.,IV„ p. 135 (1903)... montana. 



Proboscis fully developed ; palpi obliquely upturned, the "2nd -joint fringed 

 with lon^ hair in front, the 3rd moderate, porrect ; frons with truncate conical 

 prominence ; eyes small, elliptical ; antennae of male minutely serrate and 

 fasciculate ; head and thorax clothed with rough hair ; tibise spined. Forewing 

 rather narrow ; vein 3 and 5 from close to angle of cell ; (i from upper angle - T 

 9 from 10 anastomosing with 8 to form the areole; 11 from cell. Hindwing 

 with vein 3'4 from angle of cell ; 5 obsolescent from middle of discocellulars i 

 IV7 shortly stalked. 



A. Forewing with the orbicular produced to a point confluent 



with the reniform •■ amphora. 



B. Forewing with the orbicular not produced to a point cashmirenm. 



1619*/. Orosagrotis amphora, Hmpsn. Cat. Lep. Phal. B. M. FY, p. 135, pi.. 



59, f. 17 (1903). 



$. Head and th -rax grey mixed with pale brown; teguhe with medial 

 black line ; abdomen brownish grey. Forewing grey suffused with pale brov n 

 and slightly irrorated with fuscous ; the sub-basal line represented by obscure 

 black points below costa and cell ; the antemedial line indistinct, blackish 



