104 Mr. W. W. Saunders on the 



nation ; also with a very obsolete scarcely apparent reddish- 

 brown band running midway between the crimson band and the 

 exterior margin, wliich is marked with spots in the spaces between 

 the termination of the nervures ; below brilliant shining blue, ex- 

 cept the apex and the nervures, which are black. Posterior wings 

 elongate, with three teeth on the exterior margin, tapering and 

 terminating with a broad obtuse scarcely diverging tail, which has 

 three blunt teeth at the apex ; above black, with a narrow straight 

 crimson band in continuation of the broader band of the anterior 

 wings, and terminating on the disc a little beyond the apex of the 

 abdomen, and a large crimson nearly semicircular patch crossing 

 the base of the tail, the curved side of the patch being directed 

 towards the tail, and also a very narrow reddish-brown band be- 

 tween the crimson band and the outer margin. On the indenta- 

 tions of the outer margin of the wing there are three white specks, 

 and there are two white specks in like situations at the tip of the 

 tail ; below coloured as above, except the space in front of the 

 crimson spot is brilliant blue, with the nervures marked with 

 black, and there is also a faint bluish tinge on the apex of the 

 tail. Head, antennse, body and legs velvety black, except the 

 anterior pair of legs, which are blue. 



Expansion of the wings l-^^ inch. 



Discovered at Ega, on the River Amazon, by Mr. Bates. 



In the Collection of the British Museum. 



I have only seen males of this elegant but small species. The 

 nearly straight broad tails, with large crimson spot at the base, 

 distinguish the species from all its congeners at once. 



Erycina Enjxo, W. W. Saunders. (PI. XI. fig. 13.) 



Anterior wings rather short and obtuse at the apex; above 

 black-brown, with a broad straight wliite band arising on the 

 anterior margin about one-third of its length from the base, and 

 proceeding to the middle of the posterior margin, gradually in- 

 creasing in width until it is nearly double what it was at its com- 

 mencement. About midway between this and the exterior margin 

 there is an ill-defined narrow whitish band curved outwards run- 

 ning across the wing; below as above, except that the narrow band 

 is broader, whiter and better defined. Posterior wings rather 

 short, terminating in a broad rather long-pointed diverging tail ; 

 above blackish brown, with a broad white band in continuation of 

 the broad band of the anterior wing running nearly parallel with 

 the interior margin and curving suddenly nearly at right angles 



