COLEOPTERA. 175 



A. Sillliola n. sp. — Form broad and depressed; sides parallel. Color 

 above dark and obscure brownish-bronze, beneath metallic greenish ; pro- 

 notum twice as wide. as long, widest behind the middle, much less strongly 

 emarginate anteriorly, sides very broadly arcuate, irregularly and coarsely 

 sub-serrate near the middle ; elytra feebly undulated, asperities much less 

 prominent than in naimla. Prosternal interooxal jirocess very broad, feebly 

 emarginate at the sides, lateral apical teeth very short and broad, rather 

 obtuse at the apices which are very strongly callous ; apical tooth rather 

 short, rapidly acuminate toward tip, filling nearly the entire cavity in the 

 mesosternum ; the Side-pieces of the latter very arcuate, nearly closing the 

 cavity behind. Antennae robust, first two joints rather strongly reticulate, 

 second slightly longer than wide, very slightly shorter than the third, third 

 and fourth equal in length, the latter as wide as long ; maxillary palpi short 

 and robust, second joint longer than the third, the latter scarcely longer 

 than wide, fourth scarcely perceptibly shorter than the second and third 

 together. Length 4.8 mm. ; width 2.1 mm. 



California, 1. 



Distinguished from nanula by its much broader and more depressed 

 form and by the shape of the pronotum. 



A. aenescens n. sp. — Form moderately broad ; sides parallel. Color 

 above bright bronze, beneath obscure aeneous ; jjronotum distinctly more 

 than twice as wide as long, sides broadly arcuate, distinctly sinuate for a 

 short distance immediately behind the middle ; elytra much smoother and 

 less asperate or undulate than in the preceding species, the fine deep sparse 

 punctures being very distinct and the interspaces moderately convex, finely 

 and strongly granulate. Lateral terminal teeth of the prosternal process 

 slightly wider than long, acute at tip ; terminal tooth small, narrow, nearly 

 entirely filling the cavity of the mesosternum, the latter almost closed be- 

 hind : maxillary palpi very short and robust, third joint scarcely as long as 

 wide. Antennae having a cupreous lustre, first two joints strongly reticu- 

 late, second nearly globular, very slightly shorter than the third, third and 

 fourth equal in length, the latter but very slightly longer than wide. 

 Length 4.8 mm. ; width 2.0 mm. 



California, 1. 



This species is distinguishable at a glance by its smooth surface, 

 brilliant^ bronzed color, and very large reticulations of the pronotum 

 with comparatively feeble retal lines. 



LYCTUS Fabr. 



I.. parvullIS n. sp. — Form slender, convex ; sides parallel. Color 

 throughout black, legs and abdomen dark piceo-fuscons, apical margins of 

 the segments narrowly pale testaceous ; pubescence rather short, coarse and 

 sparse, pale fulvous, arranged serially on the elytra ; sculi^ture of head and 

 protliorax scabrous, cellular, the intervals being a fine network of narrow 

 raised lines. Head small, much wider than long ; eyes large, very convex ; 



