UNIVERSITY OF CALIFORNIA PUBLICATIONS (Continued) 



16. The Subclavian Vein and its Relations in Elasmobranch Fishes, by J. 



Frank DanieL Pp. 479-484, 2 figures in text. August, 1918 .10 



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



surada, by William 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. 509-519, 7 figures in text. 



Nos. 17 and 18 In one cover. January, 1919 _ 35 



Index in preparation. 



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 05 



3. Studies on Giardia microti, by William 0. Boeck. Pp. 85-136, plate 1, 19 



figures in text 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 O. E. Plath. Pp. 191-200. February, 1919 .10 



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



Pp. 201-274, plates 7-14, 4 figures in text (In press) 



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



281, 1 figure in text. August, 1919 10 



Vol.20. 1. Studies on the Parasites of the Termites I. On Streblomastix strix, a 

 Polymastigote 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 Termites 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 Trichonymplia 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 



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

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



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



Pp. 43-47. March, 1919 05 



