BiUtcrjiics from Costa Rica. 81 



GENUS MYLOTHRIS. Hilhncr. 

 Mylothris Alethina, sp. nov. 



? . Affinis M. Malenkcc cliff ert dimidio apicali maculis dis- 

 tiiicte fiavis ; macula nigra fascia superioris magna et 

 distincta ; fascia subapicali niaculari, magis elongata ; pos- 

 tica^ al)S(pie fascia media fiisca : exp. alar. unc. 3, lin. 1, 

 Coll. Druce. 



GENUS CALLIDRYAS. Boisdiival 

 Callidrijas Intcniiedia, S2). nov. 



Affinis C. Virgini et Rurina\ niagnitudine Neocypridis ; 

 ala; maris supra flavai virgula miiuita disco-cellulari nigra ; 

 feminfie velut in C. Virgine albffi, postica; autem maculis 

 subsex marginalibus inasqualibus rubris : exp. alar. ,$ , unc. 

 3, ? , unc. 3, lin. 1. 



Tlie male of this species is very like that of C. Ncocgpris 

 but may be at once distinguished by its having a short 

 black line at end of frontwing cell ; the female resembles 

 that of 0. Virgo, but has the hindwing marginal red patches 

 of C. Burma. 



GENUS DISMORPHIA. ffUbmr. 

 Dismorphia Cordillera. Folder. 



?. Ahe anticte supra nigne, plaga magna ad basin attin- 

 gente et a vena mediana et ramo suo jjrimo persecta ferru- 

 ginosa extrorsum hyalino-albicante ; seriebus duabus macu- 

 larum hyalino-albidarum obliquis ; striola ejusdem coloris 

 subanali ; maculis quatuor apicalibus flavo-albis ; posticte 

 ferruginosic areis media et apicali subhyalinis ; apice late 

 nigro introrsum profunde quinque sinuato, venis quoque 

 apicalibus nigris ; margine externo-anali anguste nigTo ; 

 fascia subcostali-discoidea et fasciola pone earn nigiis, 

 maculis tribus apicalibus all)is ; corpus thorace nigro, 

 capite albo-punctato, antennis fiavis ad basin nigris ; abdo- 

 mine fusco : ahe subtus fere velut supra, postici^ autem, 

 maculis decem siibmarginali])us quarum sex analibus cine- 

 reo-albidis : corjnis thorace nigro albo-punctato, aljdomine 

 fusco, lineis duabus ventralibus fiavidis : exp. alar. unc. 3, 

 lin. 3. Coll. Druce. 



A good deal like Ercmt DiMiwrpihiiiK, liut larger, and 

 M'ith all the frontwing markings better defined. 



