HESPERIA. 577 
typical form of//, macuhda clearly indicate that he had 'P.' sinicus=Il. zona 
under observation, and his description of macidata, var. amurcnsis, really 
refers to typical //. maculata. 
My examples from Amurland do not differ from Chinese or Japanese 
specimens, nor from specimens taken in the Tetung Mountains, Thibet, which 
were sent to me by M. Grum-Grshimailo. 
Distribution. North, Central, and Western China, Japan, Amurland, and 
Thibet. 
Hesperia zona. (Plate XLI. figs, l, 3, vars.) 
Scelothr'i.v zona, Mabille, Ann. Soc. Ent. Fr. 1875, p. ccxiv. 
Scelothrix [Pyrgus) albistriga, Mabille, Ann. Soc. Ent. Fr. 1876, p. xxvii. 
Pyrgus sinicus, Butler, Ann. & Mag. Nat. Hist. (4) xix. p. 96 (1877). 
Syrichthus sinicus, Pryer, Rhop. Nihon. p. 35, pi. x. fig. 2.2 (1889). 
" Subsimilis .S. maculato, Brem., alls fusco-nigris ; anticis cum duabus lineis punctorum albonim, 
altera in disco 4 puncta prajferena, quorum duo superiora geminata ; eorum alteram ad 
costam minimum, alteram in cellula majus cum macula nigra anterius albo circumdata 
juuctura ; altera autem liuea novem punctorum, quorum medium minus. Alls posticis con- 
coloribus cum 2 maculis albis elongatis in media ala. Fimbria albida vix iutersecta. Alis 
anticis subtus concoloribus margins albescenti, basi et costse dimidio ciuerascentibus. 
Posticis basi usque ad medium albescenti cum macula punetum album parvum claudenti ad 
marginem superiorem ; zona nigra margiui exterior! parallela vel fascia sat lata. Margo ipse 
griseus. In disco fascia alba fere transluoida puncta paginse superioris referens. 
■' Ex Asia centrali ad orientem ; Peking?" {Malille, I.e.) 
Yar. albistriga, Mabille. (Plate XLI. fig. 1, d-) " SimiUimus S. zona; P. Mab., et S. maca- 
Icito, Brem., sed paulo minor ; in alis posticis ad basim tria puncta alba vel interduni 
quatuor. Subtus ala3 omnes fuscce, inferiores zona alba ad costam inrerrui)ta divisie et 
puncto albo siguatae ad costam proximo basim ; basis inferiorum et costa supcriorum ad 
basim cinerascunt. 
" Ex Asia orientali." {Mahille, 1. c.) 
P. sinicHs, Butler. — "Allied to P. maculatus ; primaries the same ; secondaries above with the central 
transverse interrupted streak composed of only three well-separated white spots, the outer or 
discal series of five spots all small: secondaries below ver)' different from P. macidatits, 
sordid white ; a rather broad olive-brown band, shorter than the darker band of P. maculatus, 
and crossed by white veins, indistinctly bordered with white internally, and broadly white- 
bordered externally ; the interno-mcdian, first median, and diseoidal interspaces irrorated 
with the same brown (beyond the whif;e border); external area broadly brown, its inner half 
blackish ; no trace of the angulated submarginal white streak common to P. maculatas : 
fringe white, spotted with brown. Expanse of wings 1 inch 3 lines.'' {Butler, I. c.) 
This species is common in Central and Soutliern Japan and at Gensan in 
