CAMPTOMASTTX. HYDRORYBINA. 239' 



claspers covered with a large tuft of hair. Fore wing with veins 

 3, 4, 5 well separated at origin ; 7 straight and well separated from 

 8, 9, 10. Hind whig narrow; the cell short; veins 3, 4, 5 

 radiating from the angle ; 6, 7 stalked. 



Sect. I. Antennas of male with the thickening at about 

 one-third from base. 



4746. Cainptomastyx hisbonalis, Wlk. Cat. xviii, p. 707. 

 Botys pacalis, Leech, Entom. 1889, p. 69, pi. 4, fig. 15. 

 Diplotyla longipalpis, Butl. 111. Het. vii, p. 95, pi. 185, fig. 14. 



$ . Dark rufous suffused with 



fuscous ; male with the anal tuft 



(S^fe. ( (^^^^^/ ochreous. Fore wing with obscure 



g% nearly straight antemedial line ; 



the discal area more rufous ; a 



minutely dentate postmedial line 



slightly bent outwards between 



veins 5 and 2, along which it 



n i i^ g i-i 7- * , is retracted to below angle of cell. 

 Cainptomastyx hisbonalis, ry. \. TT - , . , , ° 



■* Hmd wing darker. 



Hob. China ; Simla ; Dharrnsala ; Khasis ; Nagas ; Borneo. 



Exp. 22millim. 



Sect. II. Antennae of male with the thickening and bend at 

 two-thirds from base and short. 



4747. Camptomastyx exuvialis, Snell. Trans. JEnt. Soc. 1890, p. 627. 



S . Dark brown. Fore wing with traces of medial yellowish 

 spot from costa to median nervure, and of a postmedial spot from 

 costa to vein 6. 



Hab. Sikhim ; Khasis. Exp. 26 millim. 



Genus HYDKORYBINA, nov. 



Type, H. poluscdis, Wlk. 



Range. Japan ; Sikhim ; Assam ; Calcutta ; Ceylon ; Borneo. 



Palpi porrect, extending about three times the length of head 

 and downcurved at extremity ; maxillary palpi about half the 

 length of labial and acute ; frons flat and oblique ; antennas of 

 female ciliated ; tibiae with the outer spurs about two-thirds length 

 of inner. Fore wing long and narrow ; vein 3 from before angle 

 of cell ; 4, 5 from angle ; 7 straight and well separated from 

 8, 9, 10. Hind wing with the cell short ; vein 3 from angle ; 

 4, 5 approximated for a short distance ; 6, 7 from upper angle. 



4748. Hydrorybina polusalis, Wlk. Cat. xviii, p. 703. 



$ . Fiery rufous. Fore wing with the costa dark ; a dark 



