138 Zoolugica: N. Y. Zoological Society. [I; 4 



(Trans, ent. soc. London, 1887, p. 135) , and which has not been 

 satisfactorily determined; but the antennae in the figure are 

 much too short, while the author expressly states that the feet 

 are white. 



. Family COSSIDAE. 

 Hemipecten cleptes, new species. (Fig. 42, No. 25.) 



Collar dark brown ; thorax, with patagia, light gray ; abdo- 

 men darker gray, intermixed with brown outwardly. Fore 

 wings light gray, with transverse black strigae; area between 

 subcostal vein and costa for the basal three-fourths and a curved 

 band around end of cell to vein 1, darker leaden gray. A large 

 rounded patch on outer margin from vein 3 to apex dark velvety 

 brown, a little lighter and more leaden along the margin. This 

 patch is edged inwardly by a line of the light ground color, within 

 which the strigae on the wing are intermixed with ferruginous. 

 A small dark marginal spot just above vein 2. A dark mark, 

 like a large striga in the center of the cell. Hind wing uniform- 

 ly grayish brown. Expanse, 37 mm. 



One $ , Hoorie, British Guiana (C. W. Beebe). 



Type. — No. 12655, U. S. National Museum. 



The specimen is almost the exact counterpart of Cossula 

 arpi Schaus, at least of some male specimens before me from 

 Omai, British Guiana, so identified. The type of arpi is a 

 female from Rio Janeiro and differs from these males in having 

 the little marginal spot joined to the large apico-marginal one. 

 It appears, however, to be the same species. Hemipecten cleptes, 

 on the other hand, differs in the structure of the antennae, while 

 retaining the same pattern of coloration. 



