UNIVERSITY OF CALIFORNIA PUBLICATIONS— (Continued) 



Vol. 21. 1. A Revision of the Microtus calif ornicus Group of Meadow Mice, by Reming- 

 ton Kellogg. Pp. 1-42, 1 figure in text. December, 1918 ..._ _ 60 



2. Five New Five-toed Kangaroo Rata from California, by Joseph Grinnell. 



Pp. 43-47. March, 1919 _ .06 



3. Notes on the Natural History of the Bushy-tailed Wood Rats of California, 



by Joseph Dixon. Pp. 49-74, plates 1-3, 3 figures in text. December, 1919 .26 

 i. Revision of the Avian Genus Passere.lla, with Special Reference to the Dis- 

 tribution and Migration of the Races in California, by H. S. Swarth. Pp. 



76-224, plates 4-7, 30 figures In text. September, 1920 ..._ $1.75 



6. A Study of the California Jumping Mice of the Genus Zapus, by A. Brazier 



Howell. Pp. 225-238. 1 figure In text. May, 1920 16 



6. Two New Rodents (Genera Thomomys and Marmota) from the Eastern 



Border of California, by Joseph Grinnell. Pp. 239-244, 6 figures In text. 

 November, 1921 _ 16 



7. A Study of the Californian Forms of the Microtus montanus Group of 



Meadow Mice, by Remington Kellogg. Pp. 245-274, 25 figures in text. 



8. A Synopsis of the Microtus mordax Group of Meadow Mice in California, 



by Remington Kellogg. Pp. 275-302. plate 8, 29 figures in text. 



Nos. 7 and 8 in one cover. April, 1922 _ 76 



9. Behavior of the Leaf-nosed Snake, Phyllorliynchus decurtatus, by Sarah 



Rogers Atsatt. Pp. 303-312. February, 1923 26 



10. A Systematic List of the Mammals of California, by Joseph Grinnell. 



Pp. 313-324. January, 1923 26 



11. The Systematic Status of the Mountain Lion of California, by Joseph 



Grinnell and Joseph Dixon. Pp. 325-332, plates 9-10. April, 1923 26 



12. New Subspecies of Birds from Patagonia, by Alexander Wetmore. Pp. 



333-337. June, 1923 _ 25 



Vol. 22. 1. A Quantitative and Statistical Study of the Plankton of the San Joaquin 

 River and Its Tributaries in and near Stockton, California, in 1913, by 

 Winfred Emory Allen. Pp. 1-292, plates 1-12, 1 figure in text. June, 1920. $3.00 



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



Cunningham Miller. Pp. 293-328, plates 13-17, 6 figures in text. Novem- 

 ber, 1922 _ 50 



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



Winfred Emory Allen. Pp. 329-347, 2 figures In text. November, 1922 .80 



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



Pp. 349-368, 4 figures in text. December, 1922 _ _ .36 



5. Quantitative Studies on Inshore Marine Diatoms and Dinoflagellates of 



Southern California in 1920, by Winfred Emory Allen. Pp. 369-378, 

 1 figure in text. 



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



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



Nos. 5 and 6 in one cover. December, 1922 .26 



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



C. Miller. Pp. 883-400, plate 18. February, 1923 26 



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



Cunningham Miller. Pp. 401-414, plates 19-20. February, 1923 26 



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



vals near San Diego, California, by Winfred E. Allen. Pp. 413-416, 



1 figure in text. June, 1923 25 



10. Preliminary Statistical Report on the Occurrence of Marine Copepoda in 



the Plankton at La Jolla, California, by Calvin O. Esterly. Pp. 417-433. 

 June, 1923 25 



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

 - Kofoid Bucket in 1922, by Winfred Emory Allen. Pp. 435-445, 5 figures 



in text. October, 1923 26 



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



by U.S.S. Pioneer in Midwinter of 1923, by Winfred Emory Allen. Pp. 

 445-448. November, 1923 25 



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



Pp. 449-454, 5 figures in text. November, 1923 25 



VoL 23. The Marine Decapod Crustacea of California, by Waldo L. Schmitt. Pp. 



1-470, plates 1-50, 165 figures in text. May, 1921 6.00 



Vol. 24. 1. A Geographical Study of the Kangaroo Rats of California, by Joseph 



Grinnell. Pp. 1-124, plates 1-7, 24 figures in text. June, 1922 1.76 



2. Birds and Mammals of the Stikine River Region of Northern British 



Columbia and Southeastern Alaska, by H. S. Swarth. Pp. 125-314, plate 



8, 34 figures in text. June, 1922 „ _ 2.60 



