UNIVERSITY OF CALIFORNIA PUBLICATIONS 

 Note. — The University of California Publications are offered in exchange for the publi- 

 cations of learned societies and institutions, universities, and libraries. Complete lists of 

 all the publications of the University will be sent upon request. For sample copies, lists 

 of publications or other information, address the MANAGER OF THE UNIVERSITY 

 PRESS, BERKELEY, CALIFORNIA, U. S. A. All matter sent in exchange should be 

 addressed to THE EXCHANGE DEPARTMENT, UNIVERSITY LIBRARY, BERKELEY, 

 CALIFORNIA, U.S.A. 



WILLIAM WESLEY & SONS, LONDON 

 Agent for the series in American Archaeology and Ethnology, Botany, Geology, 

 Physiology, and Zoology. 

 ZOOLOGY. — C. A. Kofoid and J. Grinnell, Editors. 



This series contains the contributions from the Department of Zoology, from the 

 Marine Laboratory of the Scripps Institution for Biological Research, at La Jolla, 

 California, and from the California Museum of Vertebrate Zoology In Berkeley. 

 Cited as Univ. Calif. PubL ZooL 



Volume 1, 1902-1905, 317 pages, with 28 plates $3.60 



Volume 2, 1904-1906, xvli + 382 pages, with 19 plates $3.50 



Volume 3, 1906-1907, 383 pages, with 23 plates _ $3.50 



Volume 4, 1907-1908, 400 pages, with 24 plates $3.60 



Volume 5, 1908-1910, 440 pages, with 34 plates $3.50 



Volume 6, 1908-1911, 478 pages, with 48 plates $3.50 



Volume 7, 1910-1912, 446 pages, with 12 plates $3.60 



Volume 8, 1911, 357 pages, with 25 plates _ _. $3.60 



Volume 9, 1911-1912, 365 pages, with 24 plates $3.60 



Volume 10, 1912-1913, 417 pages, with 10 plates _. $3.60 



Volume 11, 1912-1914, 538 pages, with 26 plates $5.00 



Volume 12, 1913-1916, 658 pages, with 22 plates $6.00 



Volume 13, 1914-1916, 529 pages, with 39 plates $6.00 



Volume 14, 1914 1918, 452 pages, with 60 plates $5.00 



Volume 15, 1915-1916, 360 pages, with 38 plates $4.00 



Volume 16, 1915-1917, 622 pages, with 46 plates „ _ $5.00 



Volume 17, 1916-1918, 545 pages, with 24 plates $6.00 



Volume 18, 1917-1919, 629 pages, with 20 plates $6.00 



Volume 19, 1919-1920, 480 pages, with 33 plates $6.00 



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



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



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



85-88, 2 figures in text. May, 1919 _ 06 



3. Studies on Oinrdia microti, by William O. 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 McOulloch. 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 O. E. Plath. Pp. 191-200. February, 1919 10 



6. Binary Fission In CoVodictyon tririUatum 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. 276- 



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



8. A New Distome from Rana aurora, by William W. Cort. Pp. 283-298, 6 



figures in text. November, 1919 - _ _ - .80 



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. De- 

 cember, 1919 .25 



10. A New Morphological Interpretation of the Structure of Noctiluea, 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 Echinostonui revolutum (Froelich), by John O. Johnson. 



Pp. 338-888, 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. Chamberlin. Pp. 389-402, plates 26-28. August, 1920 20 



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

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



plates 29-33, 2 figures in text. October, 1920 :..._ 86 



Dadex, pp. 471-480. 

 VoL 20. 1. Studies on the Parasites of the Termites. L On Streolomastix strix, a Poly- 

 mastlgote Flagellate with a Linear Plasmodia! 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 Termites. II. On Trichomitus termitidit, 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 _ - .28 



