Juneigoo.] CASEY : On NORTH AMERICAN COLEOPTERA. 67 



Length 0.7 mm.; width 0.45 mm. Lake Superior, Northern Illinois and Cali- 

 fornia ( Siskiyou Co. ) SCU tellaris L ec. 



Var. A — Piceous and more broadly oval with more arcuate sides, the micro- 

 reticulation less distinct and the scratch-like punctulation more visible. New 



York and Ohio piceus, v. nov. 



Var. B — Similar to piceus but with the punctules sparse and the elytra more 

 rapidly narrowed toward tip. Washington State ( Spokane). .lucidus, v. nov. 



4 — The punctures strong deep and very distinct, more especially so toward the suture 

 and base of each elytron and toward the base of the pronotum, piceous in color, 

 the legs luteo-flavate ; form rather narrowly oval. Length 0.65 mm.; width 0.4 

 mm. California (Sta. Cruz Co.) cribratus JMatth. 



The punctures extremely fine throughout and only visible under strong amplification ; 

 size small 5 



5 — Form oblong-oval 6 



Form evenly oval with more arcuate sides 7 



6 — Piceous-black, the micro-reticulations finer and stronger, giving a feebly subalu- 

 taceous lustre. Length 0.6 mm.; width 0.4 mm. New Jersey, Pennsylvania, 

 Delaware, North Carolina and Florida glaber Lee. 



Paler, piceous, smaller and more polished, the reticulation coarser and less visible ; 

 suture more strongly margined posteriorly. Length 0.5 mm.; width 0.35 mm. 

 Florida (Enterprise) SUturalis Lee. 



7 — Reticulations feeble, the surface more highly polished, piceous in color, the eyes 

 separated on the front by nearly three times their own width. Length 0.6 mm.; 

 width 0.4 mm. Texas (Austin) texanus, sp. nov. 



Reticulations strong; body smaller and paler in color, the eyes distinctly larger, sepa- 

 rated on the front by but little more than twice their own width ; metasternum 

 more coarsely reticulate. Length 0.5 mm.; width 0.35 mm. Illinois. 



micros, sp. nov. 



8 — Scutellum more transverse, ogival or rounded ; body more oblong-oval 9 



Scutellum scarcely wider than long, triangular, the sides straight 10 



9 — Reticulations feeble and finer, the surface polished ; elytral punctures excessively 

 fine and scarcely visible ; color testaceo-piceous ; head well developed. Length 

 0.65 mm.; width 0.48 mm. Arizona (Tucson) and southern California. 



arizonicus, sp. nov. 



Reticulations strong, the lustre somewhat alutaceous ; punctures extremely fine and 

 sparse but more visible ; head smaller, the coloration darker, piceous-black. 

 Length 0.6 mm.; width 0.4mm. Texas (Columbus) alutaceus, sp. nov. 



IO — Body oval, pale testaceous in color, polished, the reticulation very feeble, the 

 punctures almost completely obsolete but simple ; sutural margin strongly defined, 

 extending unbroken by the scutellum and along the base to beyond the middle of 

 the width ; head well developed, meso-coxal plates shorter, with the bounding 

 line more rectilinear and transverse. Length 0.55 mm.; width 0.35 mm. 

 Bahamas (Harbor Island) bahatnicus, sp. nov. 



Elongatus of LeConte, belongs to the rEnigmaticini. The crotchi 

 of Matthews I, have not seen. 



