162 JOURNAL. OF ENTOMOLOGY AND ZOOLOGY 



Carpenter and Evans, 1S99. (^ai-l, 1S9!). Skorikow, 1900. 



Absalon, 1903. Bch-ner, 1901. Krausbauer, 1901. Agren, 



1903. (Axelson) Linnaniemii, 1905, 1907, 1912. Wahlgren, 



1906b. 

 Podura vulgaris V()ri*ts, 1902. 

 Tomocerus iiiger Gntlirie, 1903. 



Description: Length — 1 mm. (Jolor — IMue, wlien denuded of 

 scale, yellow. Antennae — Two-tbirds as long as the bead and 

 body. Ocelli — Twelve. Claws — Sn])erior armed with four to 

 six teeth on inner margin; inferior lanceolate and armed with 

 a miiuite tooth. Dental s[)ines seventeen to twenty-three on 

 each side. Mucroues from five to seven intermediate teeth. 



Variation: In speaking of the dental spines of this species, 

 Folsom' (1913) gives nsnally thirteen to fifteen in miml)er, and 

 rarely seventeen or eighteen. The majority of mine had nine- 

 teen to twenty-one. 



Habitat: Cucamonga Canyon, Palmer's Canyon, Fern Can- 

 yon, San Antonia Canyon; altitude 7000 feet. 



Tomocerus hidentatus Folsom 



(Plate IV, Figs. 2-3) 



Tomocerus hidentatus Folsom, 1913. Proc. U. S. Nat. Mus., 



vol 46, pp. 451-472. 



Description: Length — 2 mm. Color — Yellow, mottled with 

 dark pigment. Antennas — Shorter than body. Ocelli — Sixteen. 

 Claws — Superior stout, armed with two teeth; inferior lanceo- 

 late. Dental spines sixteen. Mucrones with four to seven 

 intermediate teeth. 



Haljitat: Palmer's (^anyon. 



Genus Cijphodcirus 

 Only one species of this genus has been found here. It is 

 really a white, eyeless Entomobrya with scales. albinus 



Cyphodeirus alhinus Nicolet 

 (Plate IV, Figs. 4-5) 

 Crystalpoduran 0. Fabricus, 1783. Danske V. denck., \). 303. 

 Cyphodeirus alhinus Nicolet, 1842. Hist, des Podurelles, p. 67. 



