CONTENTS 



PAGES 



1. A Quantitative and Statistical Study of the Plankton of the San 



Joaquin River and Its Tributaries in and near Stockton, Cali- 

 fornia, in 1913, by Winfred Emory Allen; plates 1-12, 1 figure 

 in text 1-292 



2. Variations in the Shell of Teredo navalis in San Francisco Bay, by 



Robert Cunningham Miller; plates 13-17, 6 figures in text 293-328 



3. Quantitative Studies on Marine Phytoplankton at La Jolla in 1919, 



by Winfred Emoiy Allen; 2 figures in text 329-347 



4. On the Effect of Low Salinity on Teredo navalis, by Harold Francis 



Blum; 4 figures in text 349-368 



5. Quantitative Studies on Inshore Marine Diatoms and Dinoflagellates 



of Southern California in 1920, by Winfred Emory Allen; 1 figure 



in text 369-378 



6. Stylarioides papulosa, sp. now, a New Annelid from the San Diego 



Region, by Christine E. Essenberg; 8 figures in text 379-381 



7. The Digestion of Wood by Teredo navalis, by Walter H. Dore and 



Robert C. Miller; plate 18 383^400 



8. Variations in the Pallets of Teredo navalis in San Francisco Bay, 



by Robert Cunningham Miller; plates 19-20 401—414 



9. Some Tide-Water Collections of Marine Diatoms taken at Half- 



Hour Intervals near San Diego, California, by Winfred E. Allen; 



1. figure in text 413-416 



10. Preliminary Statistical Report on the Occurrence of Marine Cope- 



poda in the Plankton at La Jolla, California, by Calvin O. Esterly 417—433 



11. Studies on Marine Diatoms and Dinoflagellates Caught by Aid of 



the Kofoid Bucket in 1922, by Winfred Emory Allen; 5 figures 



in text 435-445 



12. Statistical Studies of Marine Diatoms of the San Diego Region 



Collected by IT. S. S. Pioneer in Midwinter of 1923, by Winfred 



Emory Allen 445-448 



13. Life Cycle of Oithona nana Reared Experimentally, by Helen E. 



Murphy; 5 figures in text 449-454 



14. Morphology of the Digestive Tract of Teredo navalis, by Edgar 



Locke Lazier; plates 21-24 455-476 



Index 477-485 



