American Caraboidea 189 



third with two punctures, the anterior, at two-fifths, much the larger; 

 also, on the left elytron of the type, having a large and apparently 

 adventitious puncture very near the base; male anterior tarsi moder- 

 ately dilated, nearly as in coracina. Length (cf) 16.0 mm.; width 5.5 

 mm. North Carolina (Roan Mountain). 



Differs from coracina in its much narrower form, narrower, 

 deeper and more elongate thoracic foveae and deeper subapical 

 sinus of the elytra. 



The two following close relatives of coracina seem to be worthy 

 of special names, as they are plainly separable on observation; 

 they were mentioned by the writer on a former occasion (Mem. 

 Col. VIII, p. 370) and, as the original type of coracina seems to 

 have been lost, the identification of coracina as a common species 

 extending from Lake Superior to New York and New Jersey, and 

 as described (1. c), may be regarded as permanent: 



Euferonia coracina ssp. venator nov. — Larger and more elongate than 

 coracina, similar in its deep black color and shining lustre; head almost 

 similar, the anterior impressions not so outwardly flexed behind; pro- 

 thorax nearly similar but more arcuate at the sides; elytra more elongate, 

 nearly three-fourths longer than wide; anterior tarsi of the male more 

 broadly dilated. Length (cf 9 ) 16. 7-17. 3 mm.; width 6.1-6.25 i^in^- 

 Pennsylvania (Danville), — Champlain. 



Easily distinguishable from coracina by its more elongate form, 

 larger size, notably longer elytra and more broadly dilated anterior 

 male tarsi. As is often to be noted, the head in the female is larger 

 than in the male. 



Euferonia coracina ssp. ludibunda nov. — Much smaller than coracina 

 and of narrower form, even more convex, polished black; elytra narrower, 

 the sides more feebly and gradually rounded basally, the posterior sinus 

 deeper; prothorax narrower and much less transverse; last palpal joint 

 equal in length to the third. Length (9) 14.2 mm.; width 4.8 mm. 

 Pennsylvania (Buena Vista Spring, Franklin Co.). 



The type is quite distinct in appearance from the female of 

 coracina, the size being much smaller, the prothorax with more 

 narrowed base, this being very evidently narrower than the apex 

 and not equal thereto as in coracina, and the form of the body is 

 decidedly narrower; as represented by five examples, the true 

 coracina is 15. 8-16.8 by 5.7-6.2 mm. in dimensions. 



The conception of subspecific relationship in regard to these 

 two forms is simply an hypothesis, and that they are both more 



