50 EHOPALOCEEA. 



externum, lsete CEeruleis, macula nigra ad eellulse finem : subtus nigricanti-brunneis, linea submarginali 

 communi argenteo-cserulea, introrsum fusco limbata, in posticis perfraeta, macula infra venam costalem 

 quoque cssrulescente, linea submarginali indistincta coloris ejusdem, lobulo anali nigro introrsum viridi- 

 aureo limbata, macula inter ramos medianos nigra, inter eos macula altera quoque nigra, viridi-aureo 

 atomata. 



Hab. Panama, Chitra (Arce). 



We have only a single male specimen of this peculiar species. 



b 6 . A double alar stigma at the end of the cell of the primaries, a single marginal 

 filament ; costa of secondaries normal. (Species 88-100.) 



1. T. rustan section. 



88. Thecla rustan. 



Papilio rustan, Stoll, Suppl. Cram. Pap. Ex. p. 166, t. 38. ff. 1, 1a 1 . 

 Thecla macaria, Swains. Zool. 111. iii. t. 133 2 . 



Alis brunneis ; anticis, plaga discali marginem internum attingente cserulea, stigmate ad eellulae finem : subtus 

 rufescenti-fuscis, anticis ad apicem et margine externo saturatioribus, maculis quatuor ultra cellulam et 

 duabus inter ramos medianos brunneis ; posticis parte costali pallidioribus, macula mediana brunnea, linea 

 irregulari submarginali brunnea, ad marginem internum late albido marginata, linea altera interiore 

 perfraeta, extrorsum albo marginata, angulum analem versus pallidiore, lobulo anali et macula inter ramos 

 medianos brunneis. 



5 mari similis, sed posticis quoque ad basin caeruleo suffusis. 



Hab. Beitish Honduras, Corosal (Roe) ; Panama, Chiriqui, Calobre (Arce). — South 

 America, Amazons valley to South-east Brazil, Pernambuco 2 . 



A species of very wide range, but nowhere common. Central- American examples 

 have the blue of the upper surface of the primaries of a rather greener shade than 

 prevails in southern specimens, but this difference is very slight. 



2. T. keila section. 



89. Thecla keila. (Tab. LIV. figg. 7, 8 s , 9 $ .) 



Thecla keila, Hew. 111. Diurn. Lep. p. 121, t. 5.2. ff. 280, 281 \ 

 Thecla par asia, Hew. 111. Diurn. Lep. p. 170, t. 67. ft 480, 481 2 . 



Alis laete nitide cyaneis ; anticis costa et bitriente apicali nigris, stigmate duplici permagno ad eellulse finem ; 

 posticis ciliis nigris, area abdominali fusca, margine interno albo, lobulo anali puncto rubro : subtus 

 cinereis, linea communi discali nigra, extrorsum albo late limbata, in posticis fracta, marginem internum 

 versus fulvo interdum marginata, linea submarginali communi fusca, albo utrinque obsolete atomata, lobulo 

 anali nigro, introrsum fulvo atomato, juxta eum macula nigricante albo atomata, macula nigra introrsum 

 fulvo cincta inter ramos medianos. 

 $ alis fuscis ; anticis dimidio basali et posticis medialiter caeruleo lavatis : subtus mari similis. 



Eab. Mexico, Cordova (Rumeli) ; Guatemala, Polochic valley (F. J). G. & O. S. 1 ), San 

 Geronimo (Champion) ; Nicaragua, Chontales (Belt 2 ) ; Costa Rica, Cache (Rogers) ; 

 Panama, Yolcan de Chiriqui (Champion). — Venezuela. 



In the distribution of its colours this species resembles T. orcynia, but it may at once 



