Dcscrijitions of new Buttcrjlics from Costa Eica : by Arthur 

 G. Butler, F.L.S., F.Z.S. 



Tlie following are tlie principal novelties from the fine 

 Collection recently brought from Cartago, Costa Eica, by 

 Dr. van Patten ; the Hcliconidm have still to be examined. 



RHOPALOCERA. 



FAMILY NYMPHALID^. Swamson. 

 SUB-FAMILY SATYRIN^. Bates. 



DRUCINA, Gm. nov. 



Affine Prono'philm alls anticis longioribus, venis disco- 

 cellularibus raniisque subcostalibns aliter dispositis. 



Allied to Frono^jhila, l)nt with the frontwings compara- 

 tively narrower and more elongated, first subcostal emitted 

 towards end of cell, second just before end, third some 

 distance beyond, fourth and fifth forming a long fork to 

 apex ; upper disco-cellular slanting obliquely inwards, 

 lower strongly angulated outwards, the two together form- 

 ing a biangulated oblique zigzag line ; palpi long, the last 

 joint slanting downwards. Type D. Leonata. 



Drucina Leonata, Sj?. nov. 



(^. Aire supra nigro-fusca^ anticannaculis sex submargin- 

 alibus increscentil)us lacteis ; postica* dualnis subapicalibus 

 et fascia lata discali increscente, extrorsum sinuata ad 

 marginem fere internum attingente, ferrugineo-fulva intror- 

 sum umbrosa : corpus nigrum, capite et collo fulvo 

 maculatis ; aire anticie subtus nigro-fuscre, area apicali 

 dilutiore cinereo-rorata, punctis tribus subapicalibus macu- 

 lisque quatuor submarginalibus increscentilnis albis ; macula 

 discoidali, altera pone cellani et tertia in nervulum secun- 

 dum medianum sordide all)idis ; ])ostica' pallide cinereo 

 fuscai, venis nitide nigris ; fascia lata media biangulata 

 fusca ; margine externo irregulariter fuscescente ; ocellis 



