37Q MEMOIRS ON THE COLEOPTERA 



i 



reflexed, arcuate ; slightly oblique and straight, becoming faintly 

 sinuate, posteriorly; angles rather blunt, though slightly prominent; 

 base sinuate medially, arcuate and margined laterally, distinctly 

 narrower than the very feebly sinuate apex; surface with widely 

 separated ruguliform lines; impressions distinct, the anterior angu- 

 late; fovea linear, deep, finely punctate, extending beyond basal 

 third, not attaining the base; elytra oblong-oval, convex, three- 

 fourths longer than wide, two-fifths (cf ) to fully one-half (9 ) wider 

 than the prothorax; sinus long and very feeble; striae deep, impunc- 

 tate, the scutellar similarly deep, long, the marginal impressed and 

 medial, evident only in apical half; intervals very convex. Length 

 (cf 9 ) 14.5-17.0 mm.; width 5.0-5.9 mm. Massachusetts, New 

 York (Adirondack Mts.), New Jersey and Pennsylvania. 



lachrymosa Newm. 



The only species apparently entering this genus and which is 

 unknown to me, is agona Horn ; it is only 10 mm. in length, with red 

 femora and very broadly rounded thoracic angles and occurs in 

 Alaska. There are two forms at hand so close to coracina that I 

 feel indisposed to name them at present; coracina occurs in typical 

 form from Lake Superior to New York. One of the allied forms is 

 larger and more elongate than typical coracina and is represented 

 by three examples from Danville, Pennsylvania, the other is very 

 much smaller, as shown by the smaller measurements given above, 

 and was found by the writer at Buena Vista Spring, in the same 

 state. 



Refonia n. gen. 



The type of this generic group was placed by LeConte in the 

 same section as coracina, stygica and others, forming the preceding 

 genus, but there are some features that indicate no very close affin- 

 ity, although others may suggest this rather strongly, such as the 

 long antennae, the thoracic structure and, especially, the coarsely 

 reflexed side margins. The form of the body is shorter, broader 

 and less convex than in any Euferonia, but one of the chief dis- 

 tinguishing points is the opaque elytra, at least in the female, a 

 decidedly Evarthrid character. Three other important differences 

 reside in very much larger head, longer, straighter and more prom- 

 inent mandibles and the four dorsal punctures of the elytra. The 

 very large thoracic depressions bear no indication of their origin 

 through the confluence of two foveae; they are roughly rounded, 

 punctate and their outer wall is the broadly reflexed side margin, 



