226 DESCRIPTIONS OF NEW SPECIES. 



tra is wanting, and the post-medial is reduced to a small cloud, 

 almost as in L. biforis. 



548. L,. torevicomis. Nigra, sat robusta, opaca, capite dense, pro- 

 thorace rude punctato, lioc cainpanulato, ad basin transversiui profunde 

 depresso, angulis posticis laminatis ; elytris antice grosse, postice fortiter 

 punctatis, apice oblique truucatis et breviter acuiniuatis ; anteunis ( 9 ) 

 brevibus, extrorsum crassioribus, articulis 8 10 crassities baud longio- 

 ribus. Long. 19 min. 



Virginia City, Nevada ; Mr. Edwards. Allied to L. nigrella 

 Say, but stouter, much more coarsely punctured, and with quite 

 different antennas ; the 3d joint is two and a half times as long as 

 the 2cl, the 4th is two-thirds the length of the 3d ; the 5th is fully 

 twice as long as the 3d, the 6th and 7th shorter and wider, 8th, 

 9th, and 10th, stouter and shorter, almost wider than long, sub- 

 triangular, somewhat rounded, llth larger, oval, rather pointed. 

 The total length barely extends beyond the base of the prothorax. 



549. L,. COCCinea. Nigra, fulvo-pubescens, protborace elytrisque 

 laete rubris, illo dense punctato, latitudine baseos baud breviore, an- 

 trorsutn magis angustato et constricto, postice coustricto, angulis paulo 

 laminatis, lateribus rotundatis ; elytris confertim puuctatis, postice 

 paulo angustatis, apice oblique truncatis, spina exteriore longiore ; 

 tibiis tarsisque ferrugiueis, antenuis 9 baud annulatis. Long. 17 mm. 



California; Mr. Ulke. Of the same form as L. canadensis, 

 but easily known by the finer punctuation, and differences in 

 color. 



550. L.. liii'tella. Nigra opaca, pubescens, capite postice, protho- 

 race elytroruinque basi longius pilosis, fere lanuginosis, illis confertis- 

 sime subtiliter puuctatis ; elytris a basi angustatis, apice subtruncatis, 

 testaceis macula subapicali apiceque uigris ; tibiis testaceis apice uigris. 

 Long. 10 mm. 



One ; Labrador; Dr. A. S. Packard. Easily distinguished 

 by the very long hair of the head, prothorax, and front part of 

 the elytra. The mouth is short, the geuae moderate, the hind 

 angles of the head short, square, rounded ; the prothorax a little 

 longer than wide, campanulate, sides parallel behind, rounded in 

 front, constricted at tip, convexly declivous at base, angles not 

 prolonged. Antennae long, subserrate (last joint ?). Last ven- 

 tral segment feebly channelled, truncate, and slightly emarginate, 

 with the angles acute, and dentiform. 



