NISONIADES. 
359 
dots on a nearly black border. Hind wings with distinct white 
dots, forming siibmarginal and marginal rows, and two more near 
the base. Fringes of fore wings grey, that of the hind wings 
white. Habitat, South-Eastern Siberia (Kiachta). 
N. Guttatus, Brem. & Grey, Schmett. Faun. Nord. Chine, p. 10 ; 
Men. Schrk. 46. — Expands 1-50 in. Wings dark brown above, 
the bases and the body tinged with green. Fore wings with 
two transparent spots in the centre, and with an apical band com- 
posed of six transparent spots. Hind wings with four central 
transparent spots arranged in a row. Under side the same as 
above. Habitat, Amur (Oussouri Eiver) in August. 
N. Thetijs, Men. En. ii. p. 126, T. x. 8. — Expands 1‘50 in. 
The wings are very dark brown above. Fore wings ornamented on 
their disc with six white transparent spots, three being placed near 
the costa and three beneath them, the lowest nearly touching the 
hind margin. Hind wings with a slight trace of a lightish central 
band ; hind margin slightly dentate, and with fringe spotted with 
white. Habitat, Amur. 
Genus HESPERIA. 
H. Sylvatica, Brem. Lep. 0. S. p. 34, T. iii. 10. — Expands 
•80 in. Wings above ochreous, broadly dark brown along the hind 
margin ; neuration dark. Fore wings with a central dark spot. 
Under side ochreous, with the nervures dark brown. Wings dark 
towards the base ; fore wings with an obscure spot on the inner 
margin. Habitat, Amur. 
H. Ochracea, Brem. Lep. Ost. Sib. T. i. f. 11. — Expands 
•80 in. Wings ochreous above, the neuration black. The fore 
wings have the hind margin broadly fuscous, with a fuscous 
transverse stripe reaching from the costa to the inner margin. 
Hind wings broadly fuscous along the hind margin. Under side 
the same as above, but paler. Habitat, Amur. 
H. Hyrax, Led. Wien. Mts. 1861, p. 149, T. 1, 6. — Bather 
larger than Thaumas, light fulvous above ; the subdiscoidal line 
in the male very short. Under side : Fore wings with a broad 
black line near the inner margin. Hind wings uniform greenish 
grey. Habitat, Syria. 
