DESCRIPTIONS OF NEW SPECIES. 



punctate, vitta dorsali Isevi, elytris subtiliter confertissime punclatis, 

 pubescentibus, epipleuris macula que apicali obscure testacea utrinque 

 ornatis, abdomine pubescente subtiliter dense punctate, ano testaceo, 

 coxis femoribus abdominisque segmentis ventralibus plus minusve 

 obscure ferrugineis. Long. *35. 



San Diego, California, under sea-weed. This and the follow- 

 lowing species belong to a division of the genus which is repre- 

 sented on the Atlantic coast only by P. bistriatus Er. They are 

 totally unlike the ordinary species of Philonthus in appearance, 

 but resemble Lithocharis. The only species previously described 

 is P. femoralls Miiklin, smaller and more slender than this, with 

 the head finely punctured. 



Body dark blackish-brown, depressed. Head large, a little 

 longer than wide, sides parallel behind the eyes, base truncate, 

 hind angles rounded ; surface very coarsely punctured, with a 

 broad smooth medial stripe, which is broader in front ; from the 

 punctures proceed a few short gray hairs, or bristles. Antennae 

 one-fourth longer than the head, not much thickened externally, 

 2d and 3d joints conical, the latter a little longer, following joints 

 nearly equal, somewhat rounded. Thorax narrower than the 

 head, longer than wide, gradually narrowed from the front angles 

 to the base, which as well as the apex is broadly rounded ; surface 

 not finely, but tolerably closely punctured, with a broad smooth 

 dorsal vitta. Elytra longer and wider than the thorax, very finely 

 and densely punctured, clothed with short brown pubescence ; 

 epipleuras and a round apical spot half way between the suture 

 and margin dull testaceous. Abdomen finely and densely punc- 

 tured and pubescent, last two joints inclining to testaceous. 

 Body beneath dark piceous ; thighs sometimes ferruginous; ab- 

 domen more or less dark ferruginous banded with black. 



In the male the 6th ventral segment is emarginate behind. 

 The anterior tarsi are dilated in both sexes. 



133. P. dllMus. Valde elongatus, ater, capite ovato postice latiore, 

 thoraceqne sat fortiter punctatis, vitta dorsali laevi signatis, hoc lati- 

 tudine longiore, postice angustato, elytris thorace liaud longioribus, ab- 

 domineque confertissime subtiliter punctatis et griseo-pubescentibus. 

 Long. -30. 



One male, San Diego, California. The head is scarcely wider 

 than the thorax, a little wider behind the eyes, and broadly round- 

 ed at the base. The antenna; are as long as the head and thorax, 



