Stopht/lhiidce of the Amazon Valley. 319 



extended its habitat to the island of Sicilj, in America, 

 north of Mexico, several species occur, some of them, 

 indeed, being apparently not uncommon there. 



Mr. Bates has discovered a remarkably fine series of the 

 genus, no less than twenty-four species being here de- 

 scribed; of these Pinophilus dux is to be ranked amongst 

 the largest of the Stapkylinid<s, while other sp3cies are 

 insignificant in size. One of the species, P. viimus, is 

 remarkable fi-om its great general resemblance to Latliro- 

 hium opolesceyis, the two species being, I believe, found 

 living together. 



As is also the case with some of the Amazonian species 

 of Lathrohium. and other genera, certain of the species 

 here described bear the most complete resemblance to one 

 another in their general characters, but are distinguished 

 by well-marked external and internal sexual characters. 



1. Pinophilus dux, n. sp. Robustus, niger, capite tho- 

 raceque nitidis, vage punctatis ; elytris subnitidis, fortiter 

 minus crebre punctatis, abdomine crebre sat fortiter punc- 

 tato ; antennis tarsisque obscure rufis. Long. corp. 141- lin. 



The largest and most powerful species of the genus, 

 being considerably broader and slightly longer than P. 

 tenebrosus. Antenna rather short and stout, obscure 

 reddish, the basal joints pitchy red. Head short and 

 broad, shining black, sparingly and irregularly punctured ; 

 the punctures coarse, almost ocellated, and bearing fine 

 setffi. Thorax just about as long as broad, a little nar- 

 rowed behind, with all the angles rounded, shining black, 

 coarsely and sparingly punctured, with punctures similar 

 to those of the head, and irregularly distributed, a longi- 

 tudinal irregular space along the middle being free from 

 punctures ; outside this an irregular double row of pimc- 

 tures, then a narrow very irregular space almost free fi-om 

 punctures, then a broad space at the sides with scattered 

 punctures. Elytra slightly narrower than the thorax, 

 and scarcely longer ; rather coarsely and sparingly punc- 

 tured, and very finely and sparingly pubescent. Hind 

 body elongate and parallel ; the segments rather coarsely 

 and closely punctured and finely pubescent, the apical 

 ones with the punctures coarser and more elongate than 

 the others, but not rugose ; the apex rather deeply emargi- 

 nate. 



Ega ; a single female specimen. 



