UNIVERSITY OF CALIFORNIA PUBLIC ATIONS— (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 05 



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



figures in text 60 



4. A Comparison of the Morphology and the Life Cycle of Crithidia with those 



of the Crithidial Stages of Trypanosoma, by Irene A. McCulloch (In press) 



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 



Vol.20. Studies on tne Termites, by C. A. Kofoid and Olive Swezy (In press) 



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 



