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BLACHISTA,. : 261 
34. triatomea, Haw. L. B. 535 (1829) ; Step.—dispilella, Zell. ; 
Sta.—bipunctella, Treit.? Alis anticis albis, punctis duobus nigris, 
altero plicee ante medium, altero disci pone medium; capite cum pal- 
pis albo. Exp. al. 4-42 lin. 
Head, face, and palpi white. Antenne grey. Anterior wings 
white, with two small black spots, one on the fold a little before the 
middle, the other midway between that and the apex; at the anal 
angle are frequently a few black scales (forming Haworth’s “ third 
atom”); cilia whitish, with a few greyish scales. Posterior wings 
greyish-white, with paler cilia. 
Not uncommon among grass in chalky places in June and July. 
35. triseriatella, n. sp. lis anticis albis, seriebus tribus ato- 
morum nigrorum disci; capite cum palpis albo. xp. al. 33 lin. 
Head, face, and palpi white. Antenne fuscous. Anterior wings 
white, with three rows of black scales on the disc; cilia whitish. Pos- 
terior wings grey, with whitish cilia. 
A specimen of this insect is in the collection of Mr. Vaughan, 
who took it, June 26, 1849, by sweeping the short grass on the 
top of St. Vincent’s Rocks, Durdham Downs. 
36. collitella (I. v. R.), Dup. L. F. Sup. iv. 327. pl. 77. f. 9 
(1842).—subocellea, Step.? Alis anticis albis, fasciis tribus ochreis, 
prima basim versus obsoleta, secunda pone medium, tertia saturatiore 
ante apicem, disci parce nigro-squamato, serieque squamarum nigrarum 
ad marginem posticum truncatum ; capite albo, Exp. al. 4 lin. 
Head, face, and palpi white. Antenne fuscous, annulated with 
white. Anterior wings whité, with three dirty-ochreous fascie ; the 
first, near the base, very indistinct, the second beyond the middle, and 
the third, and darkest, towards the apex; on the dise are a few scat- 
tered black scales, and there is a row of black scales along the truncate 
hinder margin ; cilia whitish, the tips fuscous. Posterior wings grey, 
with paler cilia. 
Occurs on Durdham Downs, near Bristol, in July. 
37. pollinariella (Zecll.), Dup. L. F. xi. 508. pl. 307. f. 5 
(1838); Zell.; Sta. Alis anticis albis, fasciis tribus ochreis, costam 
versus fuscescentibus, prima basim versus, secunda in medio, tertia 
ante apicem, disco parce fusco-squamato; capite albo. Exp. al. 
4-5 lin. 
Head, face, and palpi white. Antenne fuscous, Anterior wings 
white, with three dirty-ochreous fascize, darkest towards the costa; the 
first is near the base, the second in the middle, and the third towards 
the apex; on the disc, and along the fold, are some scattered fuscous 
scales; cilia whitish, with a dark fuscous hinder-marginal line, the 
extreme tips grey. Posterior wings grey, with paler cilia. 
Occurs at Sanderstead, Mickleham, and Durdham Downs, in 
June and July. 
