144 Coleopterological Notices. 



I have seen three specimens. The setae of the prosternal process 

 are not erect as in the Stilbide f^enera, but perfectly porrected. The 

 metasternal process is rather long, moderate in width, projecting 

 almost to the anterior limits of the coxae, the apex truncate, the 

 mesosternum before it abruptly declivous and not in the least 

 prominent. 



CORYLOPHID^. 



^NIGHATICUM Matth. 



This singular genus was described by me from some Californian 

 specimens, before the appearance of Mr. Matthews' description in 

 the Biologia Centrali-Americana, but I was somewhat at a loss 

 where to place it, hesitating between the Corylophidae and Latridi- 

 idae. 



The following species occurs in great abundance near San Fran- 

 cisco, in moist places among the, roots of grasses, and I have also 

 shaken it from small shrubs in the vicinity of Oakland. 



X,, californiciim n. sp. — Form rather slender, dark piceous-brown, 

 moderately shining, but without trace of metallic lustre ; pubescence cinere- 

 ous. Htad small, subtriangular ; eyes rather large, at the base, convex, 

 coarsely faceted ; front emarginate at each side before the eyes, feebly convex, 

 finely, feebly granulose, very finely, feebly, sparsely punctate, each puncture 

 bearing a small subrecumbent hair. Protlwrax two and one-half times as wide 

 as the head, scarcely one-third wider than long, widest at the middle ; sides 

 broadly, evenly rounded in the apical half, feebly convergent, straight and 

 feebly, minutely serrulate thence to the basal angles, which are slightly obtuse 

 but not at all rounded ; apex and base broadly, evenly and feebly arcuate, the 

 latter distinctly the wider , disk feebly, evenly convex, finely aubgranulose, 

 slightly alutaceous, rather coarsely, deeply, but somewhat sparsely punctate, 

 finely sparsely pubescent, Scutellum moderate, very strongly transverse, 

 smooth and polished. Elytra one-fifth longer than wide, widest near tlie 

 middle, one-fifth wider and two-thirds longer than the prothorax ; sides 

 broadly arcuate ; apex angularly emarginate, exterior angles rounded ; disk 

 feebly convex, shining, not distinctly alutaceous, very feebly and finely reti- 

 culate, finely, feebly and sparsely punctate; punctures rather obsolete, not 

 arranged in well-defined order ; pubescence very fine and sparse. Leys, 

 antennae and under surface, except the abdomen, much paler, brownish-testa- 

 ceous, the latter piceous-black. Length 0.8-0.9 mm. 



California (San Mateo and Alameda Cos.). 



Differs from the Central American ptilioides Matth. in its larger 

 .size, more elongate prothorax, and shining elytra and scutellum. 



