OTTIVEESITY OP OAIiITOENIA PUBLICATIONS— (Continued) 



16. The Subclavian Vein and its Eolations in Elasnio"brancli Pishes, hy J. 



Frank Daniel. Pp. 479-484, 2 figures In text. August, 1918 .10 



17. The Cercaria of the Japanese Blood Pluke, Schistosoma Japonicum Kat- 



surada, hy William W. Cort. Pp. 485-507, 3 figures in text. 



18. Notes on the Eggs and Itliracidia 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. Eeaction of Various Plankton Animals with Reference to their Diurnal 



Migrations, by 0. O. Esterly. Pp. 1-83 85 



2. The Pteropod Desmopterus Pacificvs (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. McCuUoch (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 amicus 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 



