224 EHOPALOCEEA. 



A full account of the development of this insect will be found in Mr. Scudder's work 

 quoted above. 



54. Papilio thrason. 



Papilio thrason, Feld. Reise d. Nov., Lep. p. 74 \ 



Papilio paeon, Snell. v. Vollen. Tijdschr. voor Ent. iii. p. 86 2 (nee Roger et Boisduval). 



P. thoanti similis, sed supra fascia posticarum a margine externo magis remota, caudse basi latiore et introrsum 

 fere ad apicem ochraceo limbata: subtus posticis fascia discali nigra prope cellulam rubro marginata, 

 lunulis ad costam et marginem internum tantum medialiter glaucis, reliquis quinque ochraceis, lunula 

 inverta ad cellulse finem nigra, squamis ochraceis includente et introrsum rubro marginata. 



Hal. Costa Kica (Van Patten). — Colombia 1 2 ; Venezuela 1 . 



The name of this species is omitted from Messrs. Butler and Druce's list of Van 

 Patten's Costa-Eican collection. We find, however, that a specimen of it exists therein, 

 agreeing accurately with others from Colombia including a typical one sent us by 

 Dr. Felder. Though we have compared it with P. thoas, to which it is remotely allied, 

 its relationship is much closer to P. pceon of Western Peru and Chili and P. cresphon- 

 tinus * of San Domingo, from both of which it, however, presents obvious differences. 



H. P. epidaueus (vel P. androgeus) group. 

 Papilio, Sect, xliv., Feld. Sp. Lep. pp. 22, 70. 



As in P. thoas there is no definite fold near the inner margin of the secondaries, and 

 the margin itself is concave. The foliate appendage of the front tibia is attached rather 

 nearer the proximal than the distal end of that joint. The harpes are ovate and have 

 a prolonged spine on the lower edge ; the upper part of the outer edge has a strongly 

 serrate projection (see Tab. LXIX. fig. 3). The scaphium is not so definite as in 

 P. thoas. These parts are very similar in P. epidaurus and P. lycophron, but those of 

 P. erostratus much more closely resemble those of P. jpandion belonging to a section 

 or group in which the sexes are similarly coloured. In all members of this group of 

 species the sexes differ widely in colour. The secondaries have the median nervure 

 produced beyond the margin, but this projection is not spread to form a spatule. 



This is another strictly Neotropical group, and is unrepresented in North America. 



55. Papilio epidaurilS, sp. n. (Tab. LXIX. figg. 1, 2 $ ; 3, right harpe.) 



Papilio polycaon, var. b, Gray, Cat. Lep. Ins. Brit. Mus. p. 36 \ 

 Papilio poly caon, Butl. & Druce, P. Z. S. 1874, p. 365 \ 



* Gray and Felder use the name P. daphnis of Martyn for this species (Sp. Lep. p. 21) ; but this is an error, 

 as P. daphnis of Martyn is an Argynnis figured in plates iii. & iv. of his work together with this Papilio, which 

 is there called P. cresphontinus, but said to be from Amboyna ! P. cresphontinus antedates P. aristodemus of 

 Esper by four years. 



