NEW SPECIES OF SCARABiEIDiE. 



BV J. J. RIVERS. 



Lygirus Bryanti, n. sp. 



Form elongate, oval, strongly convex, shining; color 

 above dark chocolate to black; below, rich dark chest- 

 nut, but ventrally darker. 



Male. — Head sub-triangular; sides oblique, faintly 

 emarginate; clypeus armed with two flattened reflexed 

 spines near the apex; two rather prominent tubercles on 

 the frontis, one on either side of the center; on the ver- 

 tex a transverse, smooth elevation; all the other surface 

 closely rugose-punctate. Prothorax wider than long, 

 narrow in front; front margin deeply emarginate with 

 angles prominent; sides gently rounded, increasing 

 backwards till nearing the hinder angles which are gently 

 rounded; all round there is a clean cut edge except at the 

 the base where the feeble bisinuations interfere ; disc 

 very convex, highly polished: the usual central tubercle 

 just behind the front margin and rising in front of the 

 usual dorsal depression having a rugulose surface ; a twin 

 depression or indent a little in from the hinder an- 

 gles; remainder having the shallowest kind of punctures, 

 strongest at the front angles and along the sides near the 

 margins, but nearly obsolete on the central area and at 

 the base near the hind margin. Elytra rather wider than 

 the thorax at their juncture; sides nearly straight; a 

 slight sinuation behind the humeral angle ; base emar- 

 ginate ; humeral angles prominent, impunctate, shining; 

 margin extending to the apex where it becomes very nar- 

 row, but boldly encircling the humeral angles; a broken 

 sutural stria defined at apex, but not reaching the scutel- 

 lum ; the basal, scutella and sutural area reaching to and 

 including the apical umbones highlv polished, represent- 



2d Ser., Vol. III. April 23, 1891. 



