Dec., '09] ENTOMOLOGICAL NEWS 423 



In the female the 8 dorsal segment rounded truncate, scarcely emar- 

 ginate at apex ; 6 ventral segment rounded, very little produced, angu- 

 larly emarginate at the middle of the apex. 



Length, 2.4-2.6 mm. 



Porvenir, in the Gallinas Canon, in New Mexico; in fungi. 



7. Atheta (Dimetrota) nigrita spec. nov. 



Moderately elongate and depressed, narrowed in front and behind. 



Black, moderately shining ; antennae and legs piceous black. 



Antennae about as long as head and prothorax together, moderately 

 incrassate toward apex, very finely pubescent and setulose ; joint 2 

 longer than 3; 4-10 gradually incrassate toward apex, the penultimate 

 joints about one-half wider than long; n about as long as 9 and 10 

 together, oval, pointed. 



Head narrower than the prothorax, rounded, a little narrowed in 

 front ; extremely finely and sparsely punctate and pubescent ; eyes 

 rather small, shorter than the tempora ; genae entirely margined. 



Prothorax a little narrower than the elytra, narrowed in front, about 

 two-thirds wider than long; sides and base rounded; posterior an 

 rounded; moderately densely and finely punctate, almost inconspicu- 

 ously pubescent ; with a round shallow basal fovea and two fine side 

 bristles. 



Elytra a little wider and about one-third longer than the prothorax; 

 densely and subgranulosely punctate, very finely pubescent. 



Abdomen narrowed behind ; segments 3-5 transversely impressed at 

 base, rather sparsely and not very finely punctate, inconspicuously pub- 

 escent, with strong black side bristles. 



Mesosternum with a long, not very acute point behind, entering 

 about two-thirds between the middle coxae, the latter a little separated. 



Metasternum produced in front, meeting the mesosternal point. 



The 8 dorsal segment of the abdomen apparently in both sexes trun- 

 cate ; 6 ventral segment rounded, produced. 



Length, 1.5-1.7 mm. 



Sugar Pine Mills, in California, sifted along a creek. 



8. Atheta (Metaxyaj subpolaris spec. nov. 



Elongate, depressed, parallel, very little narrowed in front. 



Head black, moderately shining; prothorax piceous to piceous black, 

 almost opaque; elytra brownish yellow, very little shining; abdomen 

 piceous black, the tip lighter, shining; antennae and mouth piceous 

 brown ; legs testaceous. 



Antennae longer than head and prothorax together, very little in- 

 crassate toward apex, very finely pubescent and setulose; joint 2 very 

 little longer than 3; 4 longer than wide; 5-10 gradually very little in- 



