I yog] Geophilidae and Lithobiidae 185 



18. Geophilus glaber Bollman. 



1887. Geophilus glaber, Bollman, Entom. Americana, II, p. 229. 



Pacific Grove and Shasta Springs, Cal. (writer). Common at 

 Portland, Oregon, (writer) and at Pullman, Washington (Mann) . 



At Shasta Springs a female was taken in August in a pit on 

 the under surface of a log with the body coiled about her numer- 

 ous young. 



19. Geophilus occidentalis Meinert. 



1886. Geophilus occidentalis, Meinert, Proc, Am. Phil. Soc, p. 220. 



One specimen of this species taken at Pacific Grove, Cal., in 

 June, 1902, and numerous specimens at this place and adjacent 

 parts in 1 909 ; also at Saucilito (writer) . 



20. Geophilus regnans Chamberlin. 



1904. Geophilus regnans, Chamberlin, Proc. Acad. Sci. Phil., p. 0.54. 



Many additional specimens from southern California (Clare- 

 mont, Catalina Island, Los Angeles). 



21. Geophilus isantus sp. nov. PI. XXVI, figs. 7, 8, 9. 



Ferruginous, becoming brown posteriori}- the head and prehen- 

 sorial feet darker. Legs yellow. Antennae dark, yellowish distallv. 

 Venter ferruginous anteriorly, becoming yellow cauclad. Smooth aiid 

 shining. 



Body uniform in width anteriorly or nearly so, but attenuated 

 caudad. 



Cephalic plate much longer than wide (4.5:3), wider anteriorly than 

 behind; anterior and posterior margins truncate, angles rounded, the 

 gently converging sides nearly straight; anterior margin not mesallv 

 emarginate. Frontal plate not discrete. Basal plate strongly nar- 

 rowed cephalad, posterior margin 2.7 times as wide as the exposed 

 portion is long. 



Claws of prehensorial feet when closed extending a little beyond 

 front margin of head. Femur with a blunt black tooth as also each 

 of two joints distad from it; with a smaller one claw with a tooth at 

 base which is truncate apically. Presternum acutely emarginate 

 mesally at anterior border. 



Antennae subfiliform, but slightly tapering distad, articles all mod- 

 erately long, not much slanting toward apex, the ultimate but little 

 longer than the penult, apically pointed. More than 2.5 times as 

 long as cephalic plate. 



First spiracle large, vertically suboval, the second abruptlv smal- 

 ler, circular, those following gradually and but slightlv becoming 

 smaller. 



Anterior ventral plates mesally sulcate. Ventral pores not de- 

 tected. 



