46 

 edges. Posterior wings next the body darii brown, the middle and bottom having a series of undulated 

 lines crossing them in regular succession from the anterior to the abdominal edges, while a row of light 

 and dark oval marks is placed along the external edges. 



Under Side. Palpi brown. Legs cream-coloured. Breast, sides, and abdomen brown. Tongue 

 not observed. Wings diiFering but slightly from the upper side ; the general manner of marking being 

 still preserved here. On the upper part of the posterior wings, next the body, is a triangular cream 

 spot, the inner space being brown. Margins of the wings entire. 



THECLA ORCAS. 



Plate XXXIV. fig. 2, 3. 



Order: Lepidoptera. Section: Diurua. Family: LycsenidEe, iSiepA. 



Genus. Thecla, Fair. (Syst. Gloss.) VoUommatm, Latr. God. Hesperia p. ivafej-. (olim.) Papilio (Pleb. 

 rur.), Drury. 



Thecla Oecas. Alis supra virescenti-coeruleis, limbo maculisque nonnullis subcostalibus anticarum nigris ; 

 . subtus ferrugineo-fuscis maculls numerosis argeuteis. (Expans. Alar. 1 iinc. 6 lin.) 



Syn. Papilio (Pleb. Rur.) Orcas, Brury, Ajip. vol. 3. Enc. MHh. ix. 645. 102. (Polyomm. O.) 



Habitat: Sierra Leone. 



Upper Side. Antennee brown and thickest at their extremities, where they are white. Head black, 

 but between the eyes white. Thorax and abdomen dark blue, almost black. Wings golden blue, 

 bordered and fringed with black ; the anterior having along the anterior edges three small black marks, 

 besides the border. Posterior wings furnished with four tails, and having two singular red spots placed 

 at the abdominal corners. 



Under Side. Palpi and legs white. Sides, breast, and abdomen red and white. Wings fine red- 

 lirown, almost as deep as chocolate, adorned with a variety of different shaped silver spots ; the anterior 

 having eight, placed all over the wings, and the posterior eleven ; the latter having an orange mark at 

 the abdominal corners. Margins of the anterior wings entire, but of the posterior slightly dentated. 



PAPILIO THYASTES. 



Plate XXXV. fig. 1. 



Order : Lepidoptera. Section : Diurna. Family ; Papilionida?, Leach. 



Genus. Papilio, ^«t<. Papilio (Eq. Acb.), Drury, Fair. 



P.iPiLioTHYASTES. Alis caudatis nigris, fascia maculisque fiavis, angulo ani sangiiineo, posticis subtus linea 

 sanguinea. (Expans. Alar. 4 unc.) 



Syn. Papilio (Eq. Acb.) Thyastes, Drury, App. vol. 3. Fabr. Enc. MHh. 111. \.p. 26. Nell. Enc. Mtth. 

 ix. p. 54. Boisduv. Hut. Nat. Lepid. 1. p. 349. 191. 



Habitat : Brazil, " Rio Janeiro, Mr. Bonifas, 1776" (Drury's MSS.). 



Upper Side. Antennae black. Head, thorax, abdomen, and wings black-brown ; the anterior wings 

 having the middle occupied by a triangular yellow space, continued to the middle of the posterior 

 ones ; four yellow spots are placed at the tips, and several others along the anterior edges. Posterior 

 wings furnished with two black tails, edged and tipped with yellow, and having four yellow marks 



