Nee 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. Compiete lists of ail 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, BERBELEY, CALIFORNIA, U.S. A. : WILLIAM WESLEY & SONS, LONDON Agent for the series in American Archaeology and Ethnology, Botany, Geology, Physiology, and Zoology. ZCOLOGY.—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, Ane 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 2 $8.00 Volume 2, 1904-1906, xvii + 382 pages, with 19 plates 22. ect eeeeeeee $ 3,50 Volume 8, 1906-1907, 383 pages, with 23 plates (oo22 oie cece ececececeneeececentereneeeneens, GO Volume 4, 1907-1908, 400 pages, with 24 plates <0 ieee cn ccnecederereeenee $3.50 Volume 5, 1908-1910, 440 pages, with 34 plates <2. o cence lee cece tetatteneee .. $3.56 Volume 6, 1908-1911, 478 pages, with 48 plates 2... i clk eerie $5.50 Volume 7, 1910-1912, 446 pages, with 12 plates 2. ccc idee cae tanec eneceeregerectenseencose . $3.50 Volume 8, 1911, 357 pages, with 25 plates ..—.... RUS ALS Ae ee Velen Ges nape me eoed 0st) Volume 9; 1911-1912, 365 pages, with 24 plates -..... cy al Je EN eel AE BSeDe Volume 10, 1912-1913, 417 pages, with 10 plates 22... oot ec ce cece etn eee eens 83.50 Volume 11, 1912-1914, 538 pages, with 26 plates cele een ececeeeeteeteee $5.00 Volume 12, 1913-1916, 558 pages, with 22 plates occ. ceeeeeerceeeeeee 95,00 Volume 13, 1914-1916, 529 pages, with 39 plates 22... nee henna set $5.00 Volume 14, 1914 1918, 452 pages, with 60 plates 22..W...2........ RE Se aS ea Sal ee $5.00 Volume 15, 1915-1916, 360 pages, with S8 plates 2... ce ct ecetceeceeteeeeneeeneeee $4.00 - WYolume 16, 1915-1917, 522 pages, with 46 plates —_.... BN Bias fe aeen Seite ba ns, ey Bae w-.-.-- $5.00 Volume 17, 1916-1918, 545 pages, with 24 plates .._. Volume 18, 1917-1919, 529 pages, with 20 plates wn... e cence cece ence senreneetecneeennentes -- $5.00 Volume 19, 1919-1920, 480 pages, with $3 plates nnn antec cecenneeeeeee $5.00 Vol. 19. 1. Reaction of Various Plankton Animals with Reference to Their Diurnal Migrations, by Calvin 0. Esterly. Pp. 1-83. April, 1919 -.2.- 85. 2. The Pteropod Desmopterus pacificus (sp. nov.), vy Christine Essenberg.. Pp. 85—88,)2 flenres in texts (May, 2010 ate oe a acres .05 $3 Studies on Giardia microti, by William ©. Boeck: Pp. 85-186, plate 1, 19 PMenred: In texts Ar tO ee Nees reenter euec Nate pas erp 60 > 4. A Comparison of the Life Cycle of Crithidia with that of Trypanosoma in ‘the Invertebrate Host, by Irene McCulloch. Pp. 185-190, plates 2-6, 3 figures: intext.) OCtober, LOO ne ee osteoma case ec cere inner eer eee 60 5. A Muscid Larva of the San Francisco Bay Begion 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 _...._2..... 1.00 7. The Excretory System of a Stylet Careers by William W. Cort. Pp. 275- OStotfienrecin text.) sAUSUst; tO ne SUN eS ee hance 10 8. A New Distome from Kana aurora, by William W. Cort. Pp. 283-298, 5 figures in-text.) November, 1919 2ce 2 oes 2nd ascents 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. De ers Ca Uf oy ala A ses leash Uae ie iain See IE tl. pus cyst mained Sava Onn Seles emcee LIE 25 10, A New Morphological Interpretation of the Structure of Noctiluca, and Its Bearing on the Status of the Cystoflagellata (Haeckel), by Charles A. Kofoid. Pp. 317-384, plate 18, 2 figures in text. February, 1920 0.000... © .25 11. The Life Cycle of Echinostoma revolutum (Froelich), by John ©. Johnson. Pp. 388-888, plates 19-25, 1 figure in text. May, 1920... 660 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 13, 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 2. tie eee 85 Index, pp. 471-480.