226 Mr. W. W. Saunders on 



inner margin of the tail. The undersides of the wings coloured 

 and marked as the upper sides, with the exception of the marginal 

 band of the upper anterior wing being broader, well defined, and 

 whiter, and the curve of the longitudinal band of the posterior 

 wing running up the anterior margin quite to a point, and a yellow 

 spot on the interior margin of the posterior wing, at the commence- 

 ment of the transverse band. Head, antennae and body black. 

 Abdomen with a broad, yellow, lateral fascia on each side. 



Hab. Para. (Messrs. Wallace and Bates.) 



Expansion of wings, 1-^^ inches. 



In my own Collection and that of the British Museum. 



This species, differing chiefly from Pyretus in the colouring of 

 the underside of the wings and the shape of the crimson spot at 

 the base of the tail, was first known by a specimen from Para, 

 presented to the British Museum by Mr. J. P. G. Smith. Both 

 sexes have been since sent home by Messrs. Wallace and Bates. 

 This is the species which Mr. E. Doubleday intended to have 

 named Julia, but by some error in the manuscript, the name Julia 

 got affixed in the Catalogue of the British Museum to the true 

 Pyretus of Cramer. I have much pleasure in carrying out in 

 the name my friend's intentions. 



Sp. 19. Erycina Montezeuma. (PI. XXI. fig. 5 and 5 a.) 



Black, with a dull purplish iridescence. The anterior wings 

 above with a narrow, nearly central crimson band, and a very 

 obscure narrow dull brownish band, running parallel to the former 

 band and midway between it and the external margin. Posterior 

 wings produced each into a shortish obtuse diverging tail, having 

 an obtuse tooth on the inner margin, and two obtuse teeth on the 

 outer margin of the wing; above with a narrow crimson band 

 arising immediately under the crimson band of the anterior wing, 

 and running down the centre to a point a little below the apex of 

 the abdomen, where it curves suddenly upwards at an acute angle 

 and terminates on the interior margin of the wing : also with a 

 nearly oval crimson spot situate .^t the base of the tail about mid- 

 way between the outer and inner margins, and a narrow band of 

 brilliant blue spots running parallel to the outer margin of the wing 

 and terminating at the oval spot : and also with three white specks 

 on the fringe of the outer margin of the wing, and the like number 

 on the fringe of the inner margin of the tad ; the whole tail has a 

 brilliant blue iridescence in the proper light. Undersides with 

 two broad brilliant metallic blue bands, crossed by black nervures 



