Pomona College, Claremont, California 75 



Laguna Canyon \'I. Rotatoria 



4. Paramoecium A. Rotifer neptunis 



Laguna Slough Smallest Laguna Lake 



Algae Pool B. Rotifer citrinus 

 Sulphur Spring Sulphur Spring 



Salt Spring Salt Spring 



5. Lacrymaria Laguna Canyon 



Laguna Canyon C. Diplois 



6. Stentor (fixed) Smallest Laguna Lake 



Laguna Canyon Stentor jj. Colurus grallator 



(moving) Smaller L. Smallest Laguna Lake 



Lake Salt Spring 



7. Vorticella Laguna Canyon 



Smallest Laguna Lake Algae Pool 



Laguna Slough r n- .• j • 



" " L. .Notius quadricornus 



Algae Fool cm t i i 



" Smallest Laguna Lake 



Laguna Canyon 

 Volvox 

 Largest Laguna Lake 



F. Philodina roseola 



Laguna Canyon 



Gastrotricha 



Flat Worms 



1. Jensenia *'^' Chaetonotus 



Laguna Canyon , Laguna Canyon 



Smallest Laguna Lake 

 Round Worms 



Smallest Laguna Lake ^'"'- Copepoda 



Laguna Canyon A. Cyclops 



Algae Pool Sulphur Spring 



