24 Transactions.— Zoology. 
This species and C. callirrhoüs differ somewhat in form of wing from 
those most nearly allied to them, the forewings being somewhat less dilated 
and the hindmargin less perceptibly sinuate and more strongly rounded. 
C. haplotomus differs from all its nearest allies in the absence of the broad 
white thoracic stripe (only in the much paler C. simplex is this occasionally 
obsolete), and in the presence of a complete hindmarginal row of minute 
black dots. 
Several specimens taken by Mr. R. W. Fereday near Lake Wakatipu in 
January. 
7. Cr. callirrhoiis, n. sp. 
Male.—94-97 mm. Head white, with a pale brownish longitudinal 
spot on face, and posterior margin of eyes ochreous-brown. Maxillary 
palpi white, towards base externally ochreous-brown.  Labial palpi long, 
white, externally ochreous-brown. Antenne dark fuscous. Thorax brown- 
ish-ochreous, a broad central longitudinal stripe and margins of shoulders 
white. Abdomen ochreous-whitish, more ochreous towards base. Anterior 
and middle legs greyish-fuscous, posterior legs white. Forewings moderate 
or rather narrow, costa at first very gently arched, more strongly on pos- 
terior half, distinctly sinuate in middle, apex nearly rectangular, hind 
margin moderately oblique, slightly sinuate below apex, strongly rounded 
beneath ; greyish-ochreous, rather deeper on dise, with a more or less 
distinct brassy-yellowish tinge ; a slender white streak along costa through- 
out; veins on posterior two-thirds of wing above median streak indicated 
by slender white lines, partially suffused and confluent on costa about i 
a slender almost straight central longitudinal white streak from base to 
hindmargin, slightly sinuate in middle; sometimes a slender white streak 
along vein 2 towards hindmargin ; a narrow white streak, very slender at 
extremities, along inner margin from base, leaving inner margin at about ¢ 
and continued very near it to anal angle, posteriorly suffused : cilia shining 
whitish. -Hindwings whitish-grey, somewhat darker posteriorly, hindmar- 
gin slightly ochreous-tinged ; cilia white. 
Distinguished from all its allies by the distinctness of the slender white 
streaks on the veins; from C. haplotomus, which it most nearly resembles, 
also by the smaller size, and broad white stripe on thorax. 
I have met with this elegant species only on sandhills near Christchurch; 
in February and March; Mr. R. W. Fereday has taken it, with other 
species usually frequenting coast sandhills, at Lake Guyon. 
8. Cr. simplex, Butl. 
(Chilo simplex, Butl., Proc. Zool. Soc. Lond., 1877, 400, Pl. XLIII., 12.) 
Male, female. —2'1-82 mm. Head pale ochreous, anterior margin of eyes 
and a spot on crown more or less whitish. Maxillary palpi white, towards 
