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 J.0 



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 _ .86 



Index in preparation. 



Vol.19. 1. Eeaction 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 C. 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 _ J.0 



6. Binary Fission in Collodictyon tricihatmn Carter, by Robert Clinton Bhodes. 



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 strijr, a 

 Polyinastigote 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 33. On Trichomitus termitidis, 



a Polymastigote Flagellate with a Highly Developed Neuromotor System, 

 by Charles Atwood Kofoid and Olive Swezy. Pp. 21^0, 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 

 6-12, 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 J50 



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



Pp. 43-47. March, 1919 - - 05 



