BEACHYCTTTARUS.— PTEEOMA. 65 



two-thirds the length of tibia. Fore wing with the two internal veins anastomosing, the lower 

 sending off a spur to inner margin ; the cell very short ; the tliird and lower radial stalked; 

 the npper radial absent ; the third and fourth subcostals stalked. Hind wing with the upper 

 part of the cell short ; the lower subcostal present ; a bar between the costal and subcostal 

 nervures. Veinlets in the cell of both wings single. 



Brachycyttarus subtalbatus. (Plate CLIX. fig. 23 & Plate CLXXVI. fig. 12.) 



Expanse (J j'V inch. 



Male. Upperside uniform dark brown ; the wings sparsely covered by hair-like scales ; 

 underside of hind wing shining bluish white. 



Larva-case covered with comminuted leaves and suspended by a fine silken thread. 



PTEROMA, g. n. 



Male. Antennse bipectinated, with very long plumose branches, decreasing in length 

 distally. Head small ; thorax and abdomen slender. Fore leg with a long tibial spine. 

 Pore wing long and narrow ; the two internal veins anastomosing, the lower sending a branch 

 to inner margin ; tlie upper radial and fifth subcostal absent ; the third and fourth stalked ; 

 the first anastomosing shortly with the costal nervnre. Hind wing with the cell open ; the 

 lower subcostal absent ; a bar between the costal and subcostal nervures. Veinlets in the 

 cell of both wings single. The open cell of the hind wing is iinprecedented in Psychids. 



Pteroma plagiophleps. (Plate CLIX. fig. 19 & Plate CLXXVI. fig. 13.) 



Expanse (J i inch. 



Male. Uniform dark brown ; the wings sparsely covered by hair-like scales. 

 Larva-case suspended by a silken thread, both thread and case being covered by scales of 

 bark. 



Pteroma uniforme *. (Plate CLIX. fig. 17 & Plate CLXXVI. fig. 15.) 



Expanse (^ i inch. 



Male. Uniform dark brown ; the apices of both wings more rounded. Fore wing with 

 the upper radial present ; hind wing with the lower subcostal present. 



Larva-case very short, quadrangular, and formed of short transverse twigs. 



* This should be placed in Pteroxys, Hmpsn. (p. 68). 



