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, pp. 537-545. 



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



Migrations, by C. O. Esterly. Pp. 1-83 85 



2. The Pteropod Desmoptervs Paeificus (sp. nov.), by Christine Essenberg. 



Pp. 85-88, 2 figures in text 05 



3. Studies on Giariia 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 the Termites, by C. A. Kofoid and Olive Swezy (In press) 



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

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



