Land Molluscs Near Claremont 



IVAN JOHNSON 



LAND FORMS 

 Helix aspersa Muller. The common introduced snail. 



Glyptostoma neiuberryanum Binney. A single specimen in the Biology class 

 collection of 1915-16. 



Epiphragmophora traski sub. zechae Bart. One live animal from Ice House Can- 

 yon. Altitude 65()(i feet. 



E. tudiculata (Binney). Apparently very common and variable. 

 2onitoid.es arbor rus (Say). Common under bark of trees along streams. 

 Limax flavus L. The common slug. 

 L. maximus L. Not so common as the last. 



FRESH WATER FORMS 

 Planorbis tri-vol-vis Say. Common in creeks. 

 Physa frontinalis acuta Drap. Abundant in reservoirs. 



(Contribution from the Zoological Department of Pomona College) 



