XJNIVEESITT OF CALIFORNIA PUBLICATIONS— (Continued) 



15. The Significance of Skeletal Variations In the Genus Peridinium, by A. L. 



Barrows. Pp. 397-478, plates 17-20, 19 figures In text June, 1918 .90 



16. The Suhclavlan Vein and Its Relations In Elasmobranch Fishes, by J.Fraiak 



Daniel. Pp. 479-484, 2 figures in text. August, 1918 „ .10 



17. The Cercaria of the Japanese Blood Fluke, Schistosoma japonicum Katsu- 



rada, by WlUIam W. Cort. Pp. 485-507, 3 figures In text. 



18. Notes on the Eggs and Miracidia of the Human Schistosomes, by William 



W. Cort. Pp. 509-619, 7 figures in text. 



Nos. 17 and 18 in one cover. January, 1919 _ .36 



Index, pp. 521-529. 



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 pacificus (sp. nov.), by Christine Essenberg. Pp. 



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



3. Studies on Giardia microti, 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 otl^rypanosoma'ia 



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

 figures in text. October, 1919 _ gg 



5. A Muscid Larva of the San Francisco Bay Re^on Which Sucks the Blood 



of Nestling Birds, by O. 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 ..._ _ „ _ _ lo 



8. A New Distome from Bona aurora, by WlUiam W. Cort. Pp. 283-298, 5 



figures in text. November, 1919 , _ _ _ _ 20 



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

 Bay, CaUf omia, by Albert L. Barrows. Pp. 299-816, plates 15-17. De- 

 cember, 1919 ..._ _ _ __ ^5 



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



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

 Kofold. Pp. 317-334, plate 18, 2 figures in text. February, 1920 .26 



11. The Life Cyclft of EcMnostoma revolutum (Froelich), 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. Kofold, by 



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



IS. 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 Streblomastix strix, a Poly- 

 mastigote Flagellate with a Linear Plasmodial Phase, by Charles Atwood 

 Kofold 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 termiiidis, a 



Polymastigote Flagellate with a Highly Developed Neuromotor System, 

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

 figures in text. July, 1919 _.....:_ _ __ 25 



3. Studies on the Parasites of the Termites. HI. 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 Kofold and Olive Swezy. Pp. 99-116, 



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



B. On the Morphology and Mitosis of ChiJomastix mesnili (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, 



CercomonaSj ClnlomastiXj Triehomonas, and Giardia, by Charles A. Kofoid. 



Pp. 145-168, 9 figures In text. June, 1920 ; _ 35 



7. On the Free, Encysted, and Buddir.g Stages of Covncilmania lajleuri, 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 



8. Mitosis and Fission in the Active and Encysted Phases of Giardia enterica 



(Grassl) of Man, with a Discusslbn of the Method of Origin of Bilateral 

 Symmetry In the Polymastigote Flagellates, by Charles A. Kofoid and 

 Olive Swezy. Pp. 199-234, plates 23-26, 11 figures In text. March, 

 1922 ...: :....,..... : ...'. .:.-. 50 



9. The Micro-Injection of Paramaedum, by Chas. Wm. Eees. Pp. 235-242. 



April, 1922 .- - 20 



