Pomona C'oi.i.kok JornN.M. ok Entomoloov i'tS7 



ab.sciit ; llic body ollicrwisc testaceous, llii- luad with prclicnsurial ft-t-l darkt-r 

 as usual. Tin- spiraclos art- all circular. In the eastern states, where this species 

 is common, the pairs of legs number most fre(|uentl_v forty-nine to fifty-one in the 

 male and fifty-one to fifty-three in the female; but in Californian specimens 

 studied, the numbers are most frequently fifty-nine to sixty-one, though in one 

 specimen but forty-seven were j)resent. 



Two of the California!) specimens studied were eoiii'cted on a sandy beach 

 .il Pacific (irove by .Miss Helen N'ajjel of Stanford, to whom I am indebted for 

 (lie same. They are large specimens which are paler tiian usual and lack tin- 

 dorsal dark band. The author has collected it also at Oroville (April, l!)ll). A 

 specimen collected at C'laremont is among material received from Prof. Baker. 

 Wood reported three specimens, presum:ibly this same species, from the Santa 

 Cruz Moiint.iins midiT the n;iine (1. liii-vi't. 



Geophilus regnans C'lianilicrliii 



.^ large species in which the body is wide anteriorly and atteiuiated eaudad 

 iiiueh as ill the preceding species. The anterior spiracles are obli<|Uely elliptical, 

 till- midiaii .iiKi caudal ones circular. The number of pairs of legs is mostly from 

 seventy-seven to eighty-five, seventy-nine .'ind eigiity-oiic being |>rrhaps connuon- 

 est. The length may be up to 70 mm. 



Kvidently an abundant species in southern California. Numerous speein\ens 

 have been seen from the following locilities: Clareniont (Baker), Los Angeles 

 .•uid Pacific Cirove (author). It seems to be the eonuuonest (ifapliilio .'ibout 

 ( l.in'iuont. 



Geophilus nasintus Cliamberlin 



Of marly s;inie form as the preceding, being narrowed but little eeplial.id 

 and strongly eaudad. Pulvous in color, the head and prehensorial feet darker, 

 reddish. No frontal suture evident. The claws of the jjrehensorial feet when 

 closed about even with the front margin of the head. Spiracles all circular. The 

 pairs of legs in the type specimen number seventy-three and the length of l)ody 

 is i'i mm. 



The exact locality from which the type came is uncertain; but the vial was 

 among material from southern California received from Prof. Baker and is 

 assumed to be from that region. 



(ieiuis Arenophilus C'hainherlin 

 In the species belonging to this genus at present known a frontal suture is 

 evident and the jirebasal plate is absent or covered. The basal plate is trapezi- 

 forni and conspicuously narrowed cephalad. The tripartite labrum has the free 

 margin of all the divisions pectinate, the processes of the lateral ones being long 

 and close set. The prehensorial feet are large and much exposed from above and 

 tiie claws when closed extend well beyond the front margin of the head; the 

 articles dentate within. The ventral pores are numerous and arranged in a singli' 

 condensed area on each sternite upon which occurring. The last ventral plate is 

 very wide. Kacli coxopleura with one or two large pits at or beneath edge of 



