336 Trans. Acad. Set. of St. Louis. 



head somewhat more developed, rather longer than wide, the sides 

 parallel and nearly straight behind the eyes, which are smaller and less 

 prominent; nuchal constriction feeble but more abrupt than in alutaeea, 

 the neck notably broader; antennae nearly similar but more slender 

 toward base, the second joint about equal to the third, the fourth 

 smaller, as long as wide, five to ten transverse, the eleventh not quite 

 as long as the three preceding combined, acutely pointed; prothorax 

 about a third wider than the bead and a third wider than long, the 

 sides parallel, evenly arcuate, more strongly so than in ahitacea, the 

 surface with a very flue and feeble impressed median line except 

 toward tip and a very fine, short and faint transverse line before the 

 base; elytra nearly as in alutaeea but less transverse, the abdomen 

 much narrower than the elytra, parallel, broader at tip than In alutaeea 

 but having similarly three narrow and subequal basal impressions. 

 Length 3.2 mm.; width 0.85 mm. New Hampshire (White Mts.). 



borealis n. sp, 



I can identify neither of these rather conspicuous species 

 with any previously described by Erichson or Say. 



Elytrusa (n. gen.), of the above table, is founded upon a 

 species described by Mannerheim, from Unalaska Island, 

 under the name Homalota grannlala. I have before me a 

 species collected by Mr. Wickham at Fort Wrangel, Alaska, 

 which satisfies the abbreviated original diagnosis very well 

 but is larger ; there may therefore be several species of Ely- 

 trusa. The singular granulation of the elytra is produced by 

 strong asperities attending the fine punctuation. 



Athetota n. gen. 



Besides Oxyjwda insignis Csy., afterwards referred to 

 Anepsiota and Anepsioia wickhami Csy., (Annals N. Y. 

 Acad., VII, p. 331), this genus will include the following 

 species : — 



Moderately stout, parallel, convex, shining, very obsoletely micro-reticu- 

 late, the elytra rather more distinctly, the abdomen very faintly so and 

 toward apex only; head and abdomen black, the prothorax rufo- 

 piceous, the elytra paler, brownish; legs paler, testaceous; punctures 

 very fine, sparse, somewhat areolate, closer on the elytra; pubescence 

 short, decumbent, pale and rather distinct, erect but very sparse on 

 the abdomen; head rather longer than wide, the sides feebly swollen 

 behind the eyes, parallel, rounding feebly to the base; eyes moderately 

 large, not prominent; antennae extending almost to the tips of the 

 elytra, slender basally, gradually and strongly incrassate distally, the 



