108 Rev. H, S. Gorham's materials for a 



Femina. — Segmento ventrali apice excise, nigro, iingui- 

 culis simplicibus. 



Var. — Elytris nigro-fuscis margine toto tenuiter flavo, 

 corpore nigro. 



This species, especially the var., bears some resemblance 

 to Photinus cinctlcoUis, Chev. The form of the thorax 

 and its acute hind angles aftbrd a ready distinction. 



Guatemala, Duenas, Capetillo ; Costa Rica ; coll. God- 

 man and Salvin. 



Obs. — The specimen from Capetillo is the dark var. of 

 the $. 



The Costa Rica specimen has the ventral apex pale, as 

 the (S. 



Photuris 7nexicana, n. sp. 



Fumeo-nigra, thorace pallide flavo, disco nigro utrinque 

 roseo, antennarum basi, femoribus et tibiis anticis intus, et 

 ore pallidis. 



Long. lin. 5. <$, '^ - 



Bias. — Segmentis apicalibus trlbus, flavis vel roseis ; 

 apicali acute producto ; unguiculis fissis. 



Femina. — Segmentis tribus apicalibus flavis, apice ex- 

 cise ; unguiculis simplicibus. 



Mexico ; coll. Gorham, Iludd. and Chevr. [Boucard.] 



PJioturis amcena, n. sp. 



Nigro-fusca, thorace rufo, disco nigro, margine pallido, 

 pectore pedibusque pallide flavis, his genubus, tarsis, et 

 tibiarum apicibus fuscis ; elytrorum sutura tenuiter, mar- 

 gine laterali latius flavis. 



Long. lin. 4 — 5. c?, ? . 



3Ias. — Unguiculis externis fissis, segmento quinto et 

 sexto IvQte flavis, eburatis, apicali acute producto. 



Femina. — Unguiculis simplicibus, segmento quinto 

 macula albido-flava eburato, sexto et apicali excisis, rufis. 



Guatemala, St. Geronimo, and Guatemala City ; coll. 

 Godman and Salvin. 



Obs. — This has a superficial likeness to P. frontalis, 

 Lee, but besides having simple claws in the ? , the head 

 is black, and it is abundantly distinct. 



