UNIVEESITY OF CALIFORNIA PUBLICATIONS— (Continued) 



Vol. 19. 1. Reaction of Various Plankton Animals "withi Reference to Their Diurnal 



Migrations, by Calvin O. Esterly. Pp. 1-83. April, 1919 , 85 



2. The Pteropod Desmopterus pacificus (sp. nov.), by Christine Essenberg. Pp. 



85-88, 2 figures in text. May, 1919 05 



3. Studies on Giardia viicroti, by William C. Boeck. Pp. 85-136, plate 1, 19 



figures in text. April, 1919 „ 60 



4. A Comparison of the Life Cycle of Crithidia with that of Trypanosoma in 



the Invertebrate Host, by Irene McCulloch. Pp. 135-190, plates 2-6, 3 

 figures in text. October, 1919 60 



5. A Muscid Larva of the San Francisco Bay Region Which Sucks the Blood 



of Nestling Birds, by 0. E. Plath. Pp. 191-200. February, 1919 10 



6. Binary Fission in Collodictyon triciliatum Carter, by Robert Clinton Rhodes. 



Pp. 201-274, plates 7-14, 4 figures in text. December, 1919 $1.00 



7. The Excretory System of a Stylet Cercaria, by William W. Cort. Pp. 275- 



281, 1 figure in text. August, 1919 _ _ .10 



8. A New Distome from Sana attrora, by William W. Cort. Pp. 283-298, 5 



figures in text. November, 1919 20 



9. The Occurrence of a Rock-boring Isopod along the Shore of San Francisco 



Bay, California, by Albert L. Barrows. Pp. 299-316, plates 15-17. Ds- , 

 cember, 1919 „ 25 



10. A New Morphological Interpretation of the Structure of Nociiluca, and Its 



Bearing on the Status of the Cystoflagellata (Haeckel), by Charles A. 

 Kofoid. Pp. 317-334, plate 18, 2 figures in text. February, 1920 .25 



11. The Life Cycle of Ecliinostoma revoluium (Froeiich), by John C. Johnson. 



Pp. 338-388, plates 19-25, 1 figure in text. May, 1920 60 



12. On Some New Myriopods Collected in India in 1916 by C. A. Kofoid, by 



Ralph V. Chamberlln. Pp. 389-402, plates 26-28. August, 1920 ...„ .20 



13. Demonstration of the Function of the Neuromotor Apparatus in Euplotes 



by the Method of Microdissection, by Charles V. Taylor. Pp. 403-470, 



plates 29-33, 2 figures in text. October, 1920 85 



Index in preparation. 

 Vol. 20. 1. Studies on the Parasites of the Termites. I. On Streblomasiix strix, a Poly- 

 mastigote Flagellate with a Linear Plasmodial Phase, by Charles Atwood 

 Kofoid and Olive Swezy. Pp. 1-20, plates 1-2, 1 figure in text. July, 1919 .25 



2. Studies on the Parasites of the Tennites. II. On Trichomitus termitidis, a 



Polymastigote Flagellate with a Highly Developed Neuromotor System, 

 by Charles Atwood Kofoid and Olive Swezy. Pp. 21-40, plates 3-4, 2 

 figures in text. July, 1919 _„ 25 



3. Studies on the Parasites of the Termites. III. On Trichonympha campanula 



sp. nov., by Charles Atwood Kofoid and Olive Swezy. Pp. 41-98, plates 

 5-12, 4 figures in text. July, 1919 75 



4. Studies on the Parasites of the Termites. IV. On Leidyopsis sphaerica gen. 



nov., sp. nov., by Charles Atwood Kofoid and Olive Swezy. Pp. 99-116, 

 plates 13-14, 1 figure in text. July, 1919 25 



5. On the Morphology and Mitosis of Chilomastix mesnUi (Wenyon), a Common 



Flagellate of the Human Intestine, by Charles A. Kofoid and Olive Swezy. 



Pp. 117-144, plates 15-17, 2 figures in text. April, 1920 35 



6. A Critical Review of the Nomenclature of Human Intestinal Flagellates, 



Cercomonas, Chilomastix, Trichomonas, and Giardia, by Charles A. Kofoid. 



Pp. 145-168, 9 figures in text. June, 1920 35 



7. On the Free, Encysted, and Budding Stages of Covncilmania lafleuri, a Para- 



sitic Amoeba of the Human Intestine, by Charles Atwood Kofoid and 



Olive Swezy. Pp. 169-198, plates 18-22, 3 figures in text. June, 1921 60 



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

 ton Kellogg. Pp. 1-42, 1 figure in text. December, 1918 50 



2. Five New Five-Toed Kangaroo Rats from California, by Joseph GrinneU. 



Pp. 43-47. March, 1919 , 05 



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 .25 



4. Revision of the Avian Genus PassereUa, with Special Reference to the Dis- 



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

 75-224, plates 4-7, 30 figiires in text. September, 1920 $1.75 



5. A Study of the California Jumiaing Mice of the Genus Zapns, by A. Brazier 



HoweU. Pp. 225-238, 1 figure in text. May, 1920 16 



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



Border of California, by Joseph GrinneU. Pp. 239-244, 6 figures in text. 



November, 1921 .15 



VoL 22. 1. A Quantitative and Statistical Study of the Planlcton 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 

 VoL 23. 1. The Marine Decapod Crustacea of California, by Waldo L. Schmitt. Pp. 



1-470, plates 1-50, 165 figures in text. May, 1921 5.00 



