Land Molluscs Near Claremont 



IVAN JOHNSON 



LAND FORMS 

 llclix cis/ifisii Muller. The common introduced snail. 



Glyplijsloma ne^iherryaiium Biiiney. A single specimen in the Biology class 

 collection of 1915-16. 



Epipliraymophora Irashi sub. zecliE Bart. One live animal from Ice House Can- 

 yon. Altitude 6500 feet. 



E. tud'nulala (Binney). Apparently very common and variable. 

 Zonitoides arhnrcus (Say). Common under hark of tree> aloiig streams. 

 l.imax fliiviis L. The common slug. 

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



FRESH WATER FORMS 

 Planorbis trh'olvis Say. Common in creeks. 

 Physa jrontiriaiu acuta Drap. Abundant in reservoirs. 



(Ciiiiti ilniliiin from tlic '/.iiiildijual Di'Purtmnil of I'limiina Cijllcijf) 



