and Central American TelepJiorinae. 89 



22. Polemius pauperculus. 



Silis paupercula, Gorh., Biol. Centr.-Am., Coleopt. iii, 2, 

 p. 299 (exclud. specimen from Vera Cruz, and var. ?). 



Moderately elongate, shining, finely pubescent ; piceous or fuscous, 

 the anterior and post-ocular portions of the head, the last two or 

 three joints of the antennae in some specimens, the sides of the 

 prothorax broadly, the sutural and outer margins of the elytra, and 

 the legs in part or almost entirely (the base of the femora excepted), 

 testaceous. Eyes very large in (J, smaller in $. Antennae long in 

 (^, shorter in $. Mandibles simply curved in both sexes. Pro- 

 thorax ((J) broader than long, strongly, obliquely grooved on each 

 side anteriorly, the sides feebly notched at the middle, parallel 

 thence to the acute, prominent hind angles, and broadly sub- 

 angularly dilated in front of the median constriction, the base 

 sinuate; ($) broader, less narrowed behind, the shallow lateral 

 notch wanting, and the ante-median projection thickened. Elytra 

 moderately elongate, subparallel, wider than the prothorax, rather 

 finely sculptured. Inner claw of anterior tarsi, and outer claw of 

 intermediate tarsi, with an angular lobe at the base in o . 



Length (excl. head) 31-5, breadth Ixfj-lf mm. {^ $.) 



Hab. Panama, Chiriqui. 



Redescribed from sixteen examples, half of which are 

 males. Very like P. {Silis) oblita, Gorh., some of the 

 specimens having the last three joints of the antennae 

 flavous ; but differing from it in the angularly dilated, 

 obliquely grooved sides of the prothorax in both sexes, 

 the more sparsely pilose antennae of the male, and the 

 simply curved mandibles of the female. The var. ? 

 mentioned by Gorham is referable to his Silis ardua 

 and the Veya Paz specimen to S. oblita. 



23. Polemius longicornis. 



Silis longicornis, Gorh., Biol. Centr.-Am., Coleopt. iii, 2, 

 p. 303 {^) {nee Leconte, 1851). 



Hab. Mexico, Oaxaca. 



Described from three males, another specimen of the 

 same sex having since been detected in the British Museum. 

 In this insect ((^) the antennae are unusually elongate 

 and serrate ; the eyes are moderately large ; the prothorax, 

 the sides of the head in front, and the base of the mandibles 

 are testaceous, and the rest of the body black ; the elytra 



