168 MR. O. SALVIN ON A NEW CALLISTE. [May 12, 



exterior transverse, slightly interrupted, rosy line, with four rosy 

 streaks along the costa, and with seven rosy spots along the exterior 

 border ; hind wings with less distinct rosy dots along the exterior 

 border. Length of the body 4| lines, of the wings 1 1 lines. 



Artaxa fervida. 



Mas, Ochracea, capite thoraceque hirsutis ; alls anticis lineis 

 duabus transversis undulatis albidis, secunda extus ochraceo 

 saturatiore marginata. 



Male. Ochraceous ; head and thorax with erect hairs ; fore legs 

 very densely pilose ; anterior tibiae fringed towards the base ; fore 

 wings with two irregular undulating transverse whitish lines, second 

 line bordered irregularly with darker ochraceous on the outer side. 

 Length of the body 5 lines, of the wings 14 lines. 



EUPROCTIS PRODUCTA. 



Mas. Nivea, abdominis fasciculo apicali ochraceo ; alis anticis 

 elongatis, apice rotundatis. 



Male. Pure white ; abdomen with a bright ochraceous apical 

 tuft ; fore wings elongated, rounded at the tips ; costa and exterior 

 border hardly convex, the latter very oblique. Length of the body 

 8 lines, of the wings 20 lines. 



The ochraceous apical tuft of this species distinguishes it from 

 E. divisa. 



4. On a New Species of Calliste from Costa Rica. 

 By Osbert Salvin, M.A., F.Z.S. 



Calliste dowii, sp. nov. 



Supra nigra : dorso vix viridi lavato, plumis nuchce et laterum 

 colli utrinque argentescente viridi terminatis, pilei margine pos- 

 tico ochracescente marginato : uropygio argentescente viridi, tec- 

 tricibus superioribus rectricum cyaneis : subtus gula tot a nigra : 

 pectore superior e nigra, plumis viridescenti-cinnamomeo termi- 

 natis : ventre imo cum crisso et lateribus cinnamomeis, pectore 

 inferiore paulo dilutiore : primariis usque ad terminos, secun- 

 dariis, tectricibus alarum et rectricibus omnino nigris, pogoniis 

 externis omnium cyaneo marginatis, tectricibus subalaribus 

 albis, vix cinnamomeis ; campterio cyaneo, albo vittato : rostro 

 nigro, mandibulce inferioris basi albida : pedibus Jlavo-nigris. 



Long. tot. 5*25, alse 2'9, caudse 2, tarsi -75, poll. angl. 



Hab. Costa Rica. 



This is a very distinct species, and unlike any of the genus. The 

 greenish- silvery feathers of the neck and the green uropygium sug- 

 gest the group which Dr. Sclater unites under the head of Procnopis, 

 as its proper position in the genus, its nearest ally being the New 

 Granadian C. nigriviridis, from which, however, it differs essentially. 



