VOLUME TWELVE NUMBER THREE 



JOURNAL 



OF 



ENTOMOLOGY 



AND 



ZOOLOGY 



SEPTEMBER, 1920 



PUBLISHED QUARTERLY BY 

 POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 



CLAREMONT, CALIFORNIA, U. S. A. 



CONTENTS 



Page 



A List and Some Notes on the Lizhards and Snakes Represented 



IN THE Pomona College Museum — Raymond B. Coivles - - 63 

 The Central Nervous System of an Unknown Species of 



Marine Le^ch — William A. Hilton 67 



Central Nervous System of a Centipeip— /^r/Aar S. Campbell - - 69 

 Microscopic Studies of the Water of the Claremont-Laguna 



Region — Geneveive Corwin - . - 72 



Preliminary List of Microscopic Life in Fresh Water Pools 



Around Lacuna Beach - - 74 



Preliminary List of Microscopic Life in Fresh Water Around 



Claremont 76 



General Reactions of a Centipede — Susie Case ----- 79 

 Notes on the Central Nervous System of a Free-Living Marine 



Nematode — William A. Hilton - - - 82 



Entered Claremont. Cal..Post-OfBce Out. 1, 1610, as second-class matter, under Act of Congress of 

 March s. 187» / 



\^ NOV 1-7 1939 



