42O ENTOMOLOGICAL NEWS [Dec., '09 



Abdomen but very little narrowed behind ; segments 3-5 transversely 

 impressed at base ; finely and sparsely punctate, segments 6 and 7 still 

 more sparsely punctate, almost smooth. 



Nails long, toothed at base. 



Mesosternum carinate in the middle in front, very pointed behind, 

 entering about three-fourths between the middle coxae, the latter 

 moderately separated. 



Metasternum pointed in front, entering a little between the middle 

 coxae; a very short isthmus between the two sternal points. 



In the male the 8 dorsal segment of the abdomen rounded; the 6 

 ventral segment a little produced, narrowed at apex. 



In the female the 8 dorsal segment rounded ; 6 ventral segment 

 scarcely produced, rounded, not narrowed at apex. 



Length, 2.6-3 mm. 



San Diego, in California, under seaweed on the ocean shore. 



4. Atheta (Atheta) hilaris spec nov 



Moderately elongate, a little narrowed in front and behind. 



Head black, very little shining; prothorax piceous black, with the 

 margins sometimes lighter, moderately shining; elytra testaceous, with 

 a vaguely defined black area around the scutel and a large, triangular 

 black spot at the hind angles, moderately shining; abdomen yellow in 

 front, from segment 5 on black, the centers of the yellow segments 

 with a vague blackish cloud; antennae piceous, their first joints and 

 the mouth testaceous ; legs pale yellow. 



Antennae longer than head and prothorax together, moderately in- 

 crassate toward apex; joint I longer and thickened; 2 and 3 about 

 equally long; 4 about square; 5-10 gradually incrassate, the penultimate 

 joints about one-half wider than long; u as long as 9 and 10 together, 

 oval, pointed. 



Head narrower than the prothorax, rounded, a little transverse, very 

 finely and very sparsely punctate; eyes large, longer than the tempora; 

 genae entirely margined. 



Prothorax narrower than the elytra, about two-thirds wider than 

 long, sides strongly rounded; base rounded, at the sides emarginate; 

 finely and sparsely punctate, with a shallow basal fovea and two-three 

 side bristles. 



Elytra wider and about one-third longer than the prothorax, mod- 

 erately densely and finely, subgranulosely punctate, very finely pubes- 

 cent. 



Abdomen a little narrowed behind; segments 3-5 transversely im- 

 pressed at base; very finely and very sparsely punctate, segments 6 and 

 7 smooth. 



Mesosternum triangular behind, with a blunt point, reaching about 

 one-half between the middle coxae, the latter a little separated. 



