372 MB. H. W. BATES — CATALOGUE OF ERYCINID^. 



spots of the underside shine through conspicuously. Beneath hght 

 brownish grey. Base of fore wing free from dark spots, except two 

 minute specks behind the median nervures ; apical half of the wings 

 crossed in the middle by a dusky belt, nervures and lines between 

 them dark brown, as on the upperside. Hind wing with six or seven 

 small black specks towards the base, beyond the middle are two 

 brown transverse lines. 



Expanse 1" 2'" c? • 



Hab. Forests of the Cupari River, Tapajos, Amazons. 



Alesa hemiurga. 



c? . Smaller than A. Priolas. Dark brown, with a blackish-purple gloss. 

 Outer half of fore wing and outer border of hind wing j)aler. The 

 pale streaks between the nervures of the fore wing are yellowish 

 and are well-marked from the costa to the hind angle, but clearer 

 in some specimens than in others. Hind wing with the marginal 

 row of black spots visible on the upper surface and margined with 

 yellowish. 



Beneath paler than in A. Priolas, transverse streaks of hind wings much 

 narrower. Cell of fore wings marked with two black spots. 



5 . Smaller and lighter-colom-ed than Priolas 5 . Black markings the 

 same, but of smaller dimensions. 



Expanse d 1" 3"'-l" 4'", ? 1" 2'". 



Hab. Ega, Upper Amazons. 



Alesa Telephae, Boisduval. 



$ . Fore wing with the outer margin bowed outwards. Wings above 

 lightish brown varied with paler spots ; the markings (in the same 

 position as the dark markings of the c? ) darker brown. 



Hind wing with a row of submarginal triangular spots of a brilliant 

 green hue edged with black, and each encircled by a yellow ring. 



Beneath same as above, but paler. 



This species was rare and found only at Ega, Upper Amazons. 



Mesosemia sylvina. 



c? . Closely alhed to M. Cippus (Hewits. Exot. Butt. Mesos. f. 48, 49). 

 Wings very similar in shape and colours, the latter being brown, with 

 darker brown streaks. The ocellus is moderately large, black, and 

 with three glossy white specks — one large nearest the base, and two 

 minute nearest the apex of the wing. 



Differs, in the fore wing, in the two brown streaks nearest the ocellus 

 converging towards the hind margin and in the submarginal streak 

 being slender and strongly waved towards the apex ; in the hind 

 wing the central brown streak over the ocellus is absent, and the sub- 

 marginal streak is slender, waved, and much thickened about the 

 middle. 



5 . Darker than the male, dark markings the same. 



Hab. Para and Obydos, Lower Amazons. 



