UNIVERSITY OF CALIFORNIA PUBLICATIONS— (Continued) 



14. Six New Mammals from the Mohave Desert and Inyo Regions of California, 



hy Joseph Grlnnell. Pp. 423-430. 



15. Notes on Some Eats from Alaska and British Columbia, by Hilda Wood 



Grinnell. Pp. 431-433. 



Nos. 14 and 15 in one cover. April, 1918 _ „ „ .15 



16. Revision of the Rodent Genus Aplodoiitia. "by Walter P. Taylor. Pp. 435- 



504, plates 25-29, 16 figures in text. May, 1918 .75 



17. The Subspecies of the Mountain Chickadee, by Joseph Grinnell, Pp. 505- 



515, 3 figures in text. May, 1918 15 



18. Excavations of Burrows of the Rodent Aplodontia, with Observations on 



the Habits of the Animal, by Charles Lewis Camp. Pp. 517-536, 6 figures 



in text. June, 1918 „ 20 



Index, pp. 537-545. 



Vol. 18. 1. Mitosis in Giardia microti, by William C. Boeck. Pp. 1-26, plate 1. October, 



1917 _ .35 



2. An Unusual Extension of the Distribution of the Ship worm in San Francisco 



Bay, California, by Albert L. Barrows. Pp. 27*-43. December, 1917 .20 



3. Description of Some New Species of Polynoidae from the Coast of Cali- 



fornia, by Christine Essenberg. Pp. 45-60, plates 2-3. October, 1917 .20 



4. New Species of Amphinomidae from the Pacific Coast, by Christine Essen- 



berg. Pp. 61-74, plates 4-5. October, 1917 15 



5. CritMdia euryophthalmi, sp. nov., from the Hemipteran Bug, ExiryopMhalmus 



eonvivus StM, by Irene McOulloch. Pp. 75-88, 35 figures in text. Decem- 

 ber, 1917 „ .15 



6. On the Orientation of Erytliropsis, by Charles Atwood Kofoid and Olive 



Swezy. Pp. 89-102, 12 figures in text. December, 1917 16 



7. The Transmission of Nervous Impulses in Relation to Locomotion in the 



Earthworm, by John F. Bovard. Pp. 103-134, 14 figures in text. January, 



1918 ..„ 35 



8. The Function of the Giant Fibers in Earthworms, by John F. Bovard. Pp. 



135-144, 1 figure in text. January, 1918 10 



9. A Rapid Method for the Detection of Protozoan Cysts in Mammalian 



Faeces, by William 0. Boeck. Pp. 145-149. December, 1917 „ 05 



10. The Musculature of Eeptanchus maciilatus, by Pirie Davidson. Pp. 151-170, 



12 figures in text. March, 1918 ., _ 25 



11. The Factors Controlling the Distribution of the Polynoidae of the Pacific 



Coast of North America, by Christine Essenberg. Pp. 171-238, plates 6-8, 



2 figures in text. March, 1918 _ 75 



12. Differentials in Behavior of the Two Generations of Salpa democratiea 



Relative to the Temperature, of the Sea, by Ellis L, Michael. Pp. 239-298, 

 plates 9-11, 1 figure in text, March, 1918 „... .65 



13. A Quantitative Analysis of the Molluscan Fauna of San Francisco Bay, by 



E, L. Packard. Pp. 299-336, plates 12-13, 6 figures in test. April, 1918 40 



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



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



15. The Significance of Skeletal Variations in the Genus Veridinium, 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 Elatsu- 



rada. 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. 521-529. 



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 Desmoptcrus pacificus (sp. nov,), by Christine Essenberg. Pp. 



85-88, 2 figures in text. May, 1919 ...„ „ 05 



3. Studies on Giardia microti, by William 0. Boeck. Pp. 85-136, plate 1, 19 



figures in text. April, 1919 „_ 60 



4. A Comparison of the Life Cycle of CritMdia with that of Trypanosoma In 



the Invertebrate Host, by Irene McCulloch. Pp. 135-190, plates 2-8, 3 

 figures 1q 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 10 



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 Bava aurora, by William W. Cort, Pp. 283-298, 5 



figures in text. November, 1919 20 



