revision of the Lampyridce. 29 



Photinus plumheus, n. sp. 



Plumbeo-niger, thorace canaliculate lateribiis albls, 

 elytrorum margine extimo, sutura tenuiter abdominisque 

 segmentis qiiinto, sexto, septimo, et maris genitali albis. 



Long. lin. 2|— 3. ^, $. 



Rather smaller and more feebly built than either affinis 

 or furnigatus. The thorax, also, is narrower, and the 

 margins of the elytra and the suture verij narrowly pale ; 

 the general colour is more leaden or griseous, but it may 

 at once be distinguished from either by the almost white 

 abdomen, which is fuscous only in the three basal plates. 



Zapote ; coll. Godman and Salvin. 



Photinus perlucens, n. sp. 



Niger, obscure subviolaceus, magis elongatus, thoracis 

 disco fortius canaliculato, nigro, lateribus late flavis ; 

 elytris paulo micantibus postice angustatis ; abdominis 

 segmentis quarto ad apicem, quiuto, sexto, et septimo 

 perbrevi, Itete flavis, octavo maris vel genitali, fusco. 



Long. lin. 5. $ . 



Though there are but two male specimens of this in the 

 Guatemala collection at present, it is very distinct by its 

 elongate oval form, rather short antenna3, black body and 

 legs, and clear yellow apical portion of the abdomen. 



Calderas ; coll. Godman and Salvin. 



Photinus pulchellus, n. sp. 



Plumbeo-niger, thorace nitido, medio canaliculato disco 

 nigro, utrinque roseo, lateribus et apice albis, elytris sub- 

 parallelis, margine et sutura in medio, pedibus basi, et abdo- 

 mine albis. ^ , 2 . 



Long. lin. 3|. 



This species is allied to ■plumheus by its nearly wholly 

 white abdomen, but the form is more parallel, the thorax 

 is larger and very beautifully marked with a rosy tint on 

 each side of the disc, and the margin of the elytra is 

 widely, and the suture narrowly , white in their middle. 



The abdomen, as usual in those species which have very 

 much of their ventral portion white, is more infuscate at 

 its base and apex in the female than in the male. 



It is more closely allied to the following, which is, per- 

 haps, only a variety. 



Zapote ; coll. Godman and Salvin. 



