128 DIUBNAL LEPLDOPTERA. 



the tails. On the underside it is pale stone-colour, with the bands and scarlet spots, and espe- 

 cially the submarginal bands, much more distinct than in the male. 



Exp. 1~ inch. 



In the Collections of W. W. Saunders and W. C. Hewitson, from Cayenne. 



203. Thecla Lidus. 



Bithys Lidus, Hiibncr, Verz. bek. Schmet. no. 753. 



Papilio Eryx, Cramer, pi. 143. f. D. 



Thecla Lidus, Westwood in Gen. Biurn. Lep. p. 484. 



204. Thecla Tympania, Hewitson. Plate LI. 6 figs. 276, 277 (not 278, 279) . 



Upperside. Male. — Dark brown. Anterior wing with part of the inner margin lilac- 

 blue. Posterior wing with two tails lilac-blue, with the outer margin dark brown, narrow. 



Underside grey. Both wings crossed beyond the middle by a band of brown bordered 

 outwardly with white : narrow and indistinct on the anterior wing : commencing on the costal 

 margin of the posterior wing by a spot below the rest : both with two submarginal bands : 

 the inner band of the anterior wing short : both the bands of the posterior wing bordered with 

 white : the lobe brown crowned with orange : a large square orange spot between the tails 

 marked with black. 



Female does not differ from the male, except in being smaller, and in 

 having the first spot of the white band of the posterior wing in a line with the rest. 



Exp. l^\y inch. 



In the Collection of H. W. Bates, from Amazon (Para). 



205. Thecla Bethulia, Hewitson. Plate LI. d figs. 278, 279. 



Thecla Tympania, Hewitson, on the Plate. 



Upperside. Male. — Dark brown with the inner margin green-blue. Posterior wing 

 with two tails : green-blue, the outer margin dark brown, narrow. 



Underside rufous, the bands exactly as in the last. 



Female like the male, except that it is of a uniform brown above, and has 

 (as in the last described species) the first spot of the band on the underside of the posterior 

 wing in a line with the rest. 



Exp. 1-Jj inch. 



In the Collections of H. W. Bates and W. C. Hewitson, from the Amazon (Para). 



Believing the female of T. Tympania to be a male (and it scarcely differs from it), I had 



