UNIVERSITY OF CALIFORNIA PUBLICATIONS— (Continued) 



14. The Neuromotor Apparatus of Euplotes patella, by Harry B. Yocom. Pp. 



337-396, plates 14-16. September, 1918 _ j. .70 



15. The Significance of Skeletal Variations in the Genus Peridinium, by A. L. 



Barrows. Pp. 397-478, plates 17-20, 19 figures in text. June, 1918 .90 



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 paeificus (sp. nov.), by Christine Bssenberg. 



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 triciliatum Carter, by Robert Clinton Rhodes. 



Pp. 201-274, plates 7-14," 4 figures in text. December, 1919 1.00 



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



281, 1 figure in text. August, 1919 _ 10 



8. A New Distome from Rana aurora, by William W. Cort. Pp. 283-298, 



5 figures in text. November, 1919 _. .20 



9. The Occurrence of a Rock-Boring Isopod along the Shore of San Fran- 



cisco Bay, California, by Albert L. Barrows. Pp. 299-316, plates 15-17. 

 December, 1919 25 



10. A New Morphological Interpretation of the Structure of Noctiluc-a, and 

 its Bearing on the Status of the Cystoflagellata (Haeckel), by Charles 



A. Kofoid. Pp. 317-334, plate 18, 2 figures in text. February, 1920 25 



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

 Polymastigote Flagellate with a Linear Plasmodia! 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. HI. On Trichonymplw, 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 spliaerica 

 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 



3. Notes on the Natural History of the Bushy-Tailed Wood Rats of California, 



by Joseph Dixon. Pp. 49-74, plates 1-3, 3 figures in text. December, 1919 .25 



