218 Mr. W. W. Saunders on 



Sp. 4. Eryc'ma Aristoderus, Boisduval, Annales of the Soc. Ent, 

 de France, vol. 6, p. 420. 



Hab. Cayenne, (Morisse). 



This is only known to me by the description above referred to. 



Sp, 5. Erycina Laonome. 



Diorhina Laonome, Morisse, Ann. Soc. Ent. de France, 



vol. 6, pi. 14, figs. 5 and 6. 

 Erycina Iphinoe, $, Godt. Encyc. Method, t. ix. p. 565, 

 567, according to Morisse. 



Hab. Brazil. 



„ Venezuela, (Mr. Dyson). 

 In my own collection and that of the British Museum. 

 Not an uncommon species. 



Sp. G. Erycina Dysonii. (PI. XX. fig. 1 and 1 a, $ ; 

 fig. 2 and 2 a, ? .) 



Anterior wings above black, each crossed with two obscure 

 whitish narrow transverse parallel bands, the outer one nearly 

 central, the inner one about midway between the outer one and 

 the base of the wing, the ground colour between the bands having 

 a rich bluish-purple iridescence. The posterior wings, each pro- 

 duced into a longish rather acutely pointed tail, having a large tooth 

 on the inner margin at the base ; above black, tinted with a rich 

 changeable purplish-blue colour extending over the whole surface, 

 except on the outer and inner margins, with two obscure narrow, 

 dull, whitish bands, corresponding in direction to tliose of the an- 

 terior wing, and terminating at a curved irregular band of crimson 

 colour, which commences on the inner margin a little below the 

 apex of the abdomen, thence curving downwards for a short dis- 

 tance, crosses more than half the wing in an upwards direction, 

 leading to the anterior angle, and has a small oval crimson spot a 

 little above its termination ; also with two faintish white streaks 

 immediately under the crimson band, a white speck on the tip of 

 the tail, and another on the indentation caused by the tooth at the 

 base of the tail, which is black. 



Undersides of the wings dull brownish-black, crossed with 

 bands corresponding with those of the upper surface, but broader ; 

 the colour between the bands with a dull purplish iridescence ; 

 and the upper wings having an oblong crimson spot at the base on 



