142 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



States Mild we sliaro it with Kni;hiii<l. I also found two new 

 s])ecies of TuUbvrfi'ia here and two of Drcpcniiini, and it is the 

 iirst time these genera have been recorded from the United 

 States. 



Ill roi»'ard to local distril)iiti()n, the forms found most widely 

 were Isofonni riridis, Entomohrija nnilfifasc'uitd, Nctnnira 

 fliganiea, Entoiuohrya hnioculata and a new s))eeies of Isotonm. 

 These all were very abundant and found in nearly all the 

 localities from which Dr. Hilton or I have collected. 



There was not a marked difference between the CoUembola 

 found in the different canyons. San Dimas and Palmer's 

 car.>("iis liad the greatest number of different forms, due no 

 doubt to the great abundance of vegetation in tliose canyons. 

 '^I'he Drcpanura were confined entirely to the liigli altitudes, 

 !)eiiig found only on the slopes of Mt. San Antonio at 6000 

 and 7000 feet. Three s])ecies of Afjlionti'a, Isotoma palustris, 

 Toiiiocerus vulgaris and Entomohrya were also found only in 

 the mountains. 



The two species of TuUhrrgia were the only forms found 

 exclusively in the hills. The forms found entirely in the 

 valley were Cyphodeirus alhinus, Sinella curviseta, Entomohrya 

 cliiellaria, Isotoma minima, and a member of the genus 

 Achoriites. 



The forms that were peculiar to Lagima Beach were Isotoma 

 hessfisii, Isotoma hidentlcula, and Entomohrya lagiuia. These 

 were found as far out in the ocean as one was al)le to turn over 

 the rocks at low tide. This is the first time that the genus 

 Kntonuibrya has been reported from under rocks in salt water. 



With the exception of Scliott, who has described some thirty 

 species, ir.ostly from tlie northern ])art of the state, no work 

 has been done in California. This region around Claremont 

 has not l)een touched at all and as is to be expected several 

 species were found that had never l)een described before. Many 

 interesting points were also gained on the subject of distribu- 

 tion. As yet T have by no means exhausted the field and I 

 hope some time to he able to continue the study of this region. 



