CALIFORNIA ACADEMY OF SCIENCES. 



285 



is particularly true of these isolated genera of the Aleocharini, 

 and the species placed below in Phytosus and Tachyusa 

 may possibly necessitate the creation of two or more new 

 genera; their present position is assigned them only provis- 

 ionally, and because these genera appear to approximate 

 more closely to the observed characters than any others 

 which have been hitherto described. 

 San Francisco, Nov. 14th, 1885. 



The species described in the present paper are the follow- 



ing: 



Staphylinid^ 

 Falagria occidua 

 laticollis 

 Colusa gracilis u.gen, 

 eximia 

 valida 

 exilis 



graudicollis 

 Pontomalota opaca Lee. n.gen. 

 californica 

 nigriceps 

 Tachyusa experta 

 linearis 

 laticeps 

 faceta 

 Harfordi 

 Platj'usa souomn; n.geu. 

 Calodera attenuata 

 Ilyobates calif urnicus 



nigrinus 

 Maseochara californica 

 Oxypoda Insiguis 



Note. — The Arabic numerals placed 

 of specimens from each resisectively. 



Phytosus bicolor 



maritimus 

 Brj^ouomus n.geu. (Philonthi) 

 Orus punctatus Casey 

 Homaliiim fucicola 



rugipenne 

 Phloeopteriis longipalpus 

 Vellica lougipeuuis n.gen. 

 Lesteva triincata 

 Protinus salebrosus 

 Tkighopterygid^ 

 Actidium robustuliTiu 



granulosum 



attenuatum 



DASCYLLIDiE 



Euscaphurus saltator n.gen, 



Ptinid,e 

 Ctenocara occideus 



LUCANID^ 



Platycerus calif ornicus 



SCARAB^ID^ 



Polyphylla marginata 

 after the various localities indicate the number 



FALAGRIA Maun. 



F. occidua i. sp.— Eather slender; body dark brownish-piceous, legs 

 paler, uniformly yellowish-testaceous, antenuEe piceous, basal joint, the 

 tenth partially, and the eleventh testaceous; pabesceace very fine, inoder- 



