188 MR. J. O. WESTWOOD ON THE LEPIDOPTEROUS 



magis irregulari e lunulis conuesis, albis ; alis posticis fuscis estus nigricantibus, 

 fasciis duabus macularum parvarum albidarum (margine externo parallelis), interna 

 interdum minus distincta. Long. corp. unc. 2^. Expans. alar. ant. unc. 6-7f . 



Papilio dadalus, Cram. i. pl. i. f. 1, A, B ; Dalm. Monogr. Castn. p. 7, 1 (Casin. dmd.) ; Act. Holm. 



1824, p. 398 j Walker, List Lep. Het. B. M. i. p. 16 ; Boisduval, H. n. L(5p. Het. p. 499. 

 P. cyparissias, Fabricins, Gen. Ins. Mant. 257; Ent. Syst. iii. i. p. 30 ; Herbst, pl. 118. f. 1, 2; Sbaw's 



Nat. Miscell. pl. 574, p. 142 [Castnia, c.) ; Godart, Enc. Meth. ix. 797, Ins. pl. 12. f. 1 [Castnia 



cyp.) ; Gray, Ti-ans. Ent. Soc. ii. 142. 



Sab. Cayenne, Amazonia. In Mus. Hopeiano Oxonise, et Boisduval. 



2. Castnia geron. C. alis fusco-griseis, certo situ violaceo viridique nitentibus, supe- 



rioribus supra fasciis duabus albis, subtus medio pilis longis barbatis ; inferioribus 

 supra basi discoque barbatis, margine postico fiavido maculatis, subtus dense squa- 

 .mosis, duplici serie e maculis albis obsoletis. Exp. alar. antic. unc. 5 lin. 4 

 (14 centim.). 



Castnia geron, KoUar, Lep. Bras. Ann. Wien, i. 217, pl. 13. f. 1 ; Walker, List Lep. Het. B. M. i. p. 20; 

 Boisduv. H. n. Lep. Het. p. 496. 

 Rab. Brasilia. In Mus. Vindobon. 



3. Castnia veeaguana (Pl. XXX. fig. 1). C. tborace alisque anticis castaneo-brunneis 



Ids basi cseruleo viridique nitentibus, in medio fascia lata valde angulata, antice 

 albida, postice brunnescente, punctisque nonnullis ovalibus versus apicem albidis ; 

 alis posticis cbalybeo-nigris, fascia pone medium (e maculis ovalibus composita) 

 margineque postico aurantiaco-rufis, abdomine nigro. Long. corp. unc. ^j. Exp. 

 alar. antic. unc. 6 lin. 7. 

 E^ah. Veragua [Salvin). In Mus. Hopeiano Oxoniae (olim Saunders). 

 This very fine new species is alHed to C. cacica, Bdv., H.-Scb., but bas the fore wings 

 rather less triangular, and tbey do not possess tbe smaU oblong cell seen in otber species, 

 formed by tbe connexion of tbe second and third branches of the subcostal vein by a 

 small transverse veinlet (see Pl. XXVIII. fig. 9). 



4. Castnia ScHREEBEiisii. C. alis anticis olivaceo-fuscis, medio multo pallidioribus et 



luteo-albidis, fascia obliqua intus attenuata e costa, ante medium, ad medium disci 

 extensa, ubi attingit maculam magnam rotundam brunneam parum distinctam et 

 ad apicem alae extensam, angulo apicali interno in maculam alteram maximam 

 intus dilatatam brunneam; alis posticis nigris, vitta longitudinali pone medium 

 disci antice dilatata, guttisque nonnuUis (3-5) submarginalibus paliide cseruleis. 

 Long. corp. unc. 2-2j. Expans. alar. antic. unc. 5^ (14'15 centim.). 



Castnia Schreibersii, Mikan, Delect. Florae et Faun. Brasiliensis (1820) ; Boisduval, H. n. L^p. H^ter. 



p. 500. 

 C. LatreiUii, Godart, Enc. Meth. ix. 797 ; G. E. Gray, Trans. Ent. Soc. L. ii. p. 142 ; Walker, List 



Lep. Het. B. M. pt. i. p. 17; Perty, Del. An. Axt. Brasil. pl. 30. f. 7; Schaufuss, 'Nunq. 



Otiosus,' p. 8. 



