Heteroccra from China, Japan, and Gorea. 183 



ample from Gensan which seems to be referable to this 

 species ; Fixsen records specimens from Corea. 



Some of the Japanese specimens only measure 22 

 millim. in expanse. 



Distribution. Central Siberia ; Amurland ; Coeea ; 

 Japan. 



583. Lithosia fumidisca. 



Lithosia fumidisca, Hampson, Fauna Brit. Ind., Moths, ii, 

 p. 80 (1894). 



I am informed by Sir George Hampson that this species 

 has been received from Shanghai by M. I'Abbe J. de 

 Joannis. 



Distribution. Sikhim ; Tenasserim; Eastern China 

 (Hampson). 



584. Lithosia paveseens. 



Lithosia pavesccns, Butl., Ann. and Mag. Nat. Hist., (4) xx, 



p. 398 (1877) ; 111. Typ. Lep. Het., ii, pi. xxiii, fig. 5 



(1878). 

 Lithosia Ixvis, Butl., Ann. and Mag. Nat. Hist., (4) xx, 



p. 398 (1877); III. Typ. Lep. Het., ii, pi. xxii, fig. 12 



(1878). 



Specimens in Fryer's collection from Yesso, Oiwake and 

 Yokohama. I received one example from Chang-yang, 

 captured in June. 



This species is closely allied to L. helveola, Ochs. 

 ? = Z. deplana, Esp. 



Hampson (Fauna Brit. Ind., Moths, ii, p. 84) gives 

 L. Isevis, Butl., as a synonym of L. nigrifrons, Moore. 



Distribution. Japan; Yesso ; Central China. 



585. Lithosia suffusa, sp. n. 



Primaries stramineous, suffused with purplish grey on the basal 

 three-fourths ; the basal third of costa is yellowish. Secondaries 

 stramineous. Under surface as above, but the suffusion on the 

 primaries is blackish. Head, thorax, and terminal segments of 

 abdomen yellowish, other portion of abdomen stramineous tinged 

 with fuscous. 



Expanse 48 millim. 



Four male specimens from the north of Ta-chien-lu. 

 Habitat. Western China. 



