136 Transactions. — Zoolor/y. 



and the base of inner margin, the costa being wholly ochreous ; it is also 

 the largest species of the group. It most resembles C. diplorrhous and 

 C. dicrenellus, but in both of these there is a clear white costal streak. 



Arthur's Pass, from 3,000 to 4,500 feet ; common in January, appearing 

 to frequent rather damp places. 



25. Gr. enchophorns, n. sp. 



Male, female. — 29-33 mm. Head white, behind eyes brownish-ochreous, 

 centre of face somewhat ochreous. Palpi very long, brownish-ochreous, 

 above and internally white. Antennae dark fuscous, in male rather stout, 

 dentate, moderately ciliated. Thorax light brownish-ochreous, with a white 

 central longitudinal stripe. Abdomen whitish. Legs pale brownish- 

 ochreous, posterior pair whitish. Forewings very elongate-triangular, nar- 

 row towards base, costa slightly arched, apex round-pointed, hindmargin 

 oblique, nearly straight, rounded beneath ; dull light brownish-ochreous ; a 

 slender white line immediately beneath costa from base to middle ; veins on 

 posterior half of wing suffused with white and obscurely margined with dark 

 fuscous ; a whitish suffusion towards inner margin throughout, towards 

 base defined and margined above with dark fuscous ; a rather narrow nearly 

 straight white median streak from base to middle of hindmargin, unevenly 

 margined with blackish throughout, posterior half slightly curved upwards ; 

 a curved transverse row of black dots towards hindmargin, and a hindmar- 

 ginal row of similar dots : cilia white, faintly barred with very pale greyish - 

 ochreous. Hindwings pale whitish-ochreous-grey ; cilia white, base 

 ochreous-tinged. 



Allied to G. caUirrhous, in which species the male has similar dentate 

 antennae (not mentioned in my description) ; but larger, with white markings 

 (except median streak) considerably suffused, whilst G. caUirrhous is specially 

 characterized by their defhhteness ; distinguished also by the posterior and 

 hindmarginal rows of black dots, and by the uppermost white line being dis- 

 tinctly subcostal, not costal, towards base. 



Castle Hill, on dry slopes from 2,500 to 4,000 feet, in January ; rather 

 common, but apparently local. 



26. Gr. diplorrfious, n. sp. 



Male, female. — 31-34 mm. Head whitish-ochreous, becoming white on 

 crown, Palpi very long, light brownish-ochreous, above and internally 

 white. Antenna3 fuscous, in male subdentate, moderately ciliated. Thorax 

 pale ochreous, with a suffused white central stripe. Abdomen whitish. 

 Legs light ochreous, tarsi dark fuscous, posterior legs whitish. Forewings 

 very elongate-triangular, narrow, not much dilated, costa slightly arched, 

 apex round-pointed, hindmargin slightly sinuate, rather oblique, rounded 

 beneath ; pale brownish-ochreous, brassy-tinged, towards inner and hind 



