UNIVERSITY OF CALIFORNIA PUBLICATIONS—(Continued) 
. Osteological Relationships of Three Species of Beavers, by F. Harvey 
Holden. . Pp. 75-114, plates 6-12, 18 text figures. March, 1917 2...0.......2. 
. Notes on the Systematic Status of the Toads-and-Frogs of California, by 
Charles Lewis Camp. Pp. 115-125, $3 text figures. February, 1917 0.0... 
10: A Distributional List of the Amphibians and Reptiles of California, by 
Joseph Grinnell and Charles Lewis Camp. Pp. 127-208, 14 figures in text. 
Pip Uh Bes 2) Bs false oo es ects ED a SR SoC etiam oh ate emery kee Me, Seen 
11. A Study of the Races of the White-Fronted Goose (Anser albifrons) Oceur- 
Ting in. California, by H. S. Swarth and Harold C. Bryant. Pp. 209-222, 
2 ‘figures in text, plate 13.- .October, 1917 =. - oe ee 
12. A Synopsis of the Bats of California, by Hilda Wood Grinnell. Pp. 223-404, 
plates 14-24, 24 text-figures. January 31, 1918 
13. The Pacific Coast Jays of the Genus Aphelocoma, by a. §.-Swarth. Pp. 
405-422, 1 figure in text, February 23, 19V8 2202 cnc csccectecnsenceecnnaee 
14, Six New Mammals from the Mohave Desert: and Tnyo Regions of California, ; 
by Joseph Grinnell. . Pp. 423-430. 
15. Notes on Some Bats from Alaska and British Columbia, by Bids Wood - 
Grinnell. Pp. 431-433. : 
Nos.-14 and-15 in one cover.: April, 1918 aa ee Arche Sir i a eee tee 
16. Revision of the Rodent Genus Aplodontia, by Walter P. Taylor. Pp. 435- - 
504, plates 25-29, 16 text figures. May, 1918) _.c2.u icici ected 
17. The Subspecies of the Mountain Chickadee, by Joseph Grinnell.. Pp. 505- 
515539 text: fisures. Mays 2918s nos SE ae i Soca peers 
18. Excavations of Burrows of the Rodent Aplodentia, with Observations on 
the Habits of the Animal, by Charles Lewis Camp. Pp. 517-536, 6 figures 
intext dune, T0184 ko ee Oe ee Ree Sees see Sa 
Vol 18. 1, Mitosis in Giardia microti, by William C. Boeck... Pp. 1-26, plate 1. Octo- 
bey, QE 3S ee Se ra aS a es 
2. An Unusual Extension of the Distribution of the Shipworni in San Fran- 
cisco Bay, California, by Albert L. Barrows. Pp. 27-43. December, 1917. 
8. Description of Some New Species of Polynoidae from the Coast of Cali- 
fornia, by Christine Essenberg. Pp. 45-60, plates 2-3. October, 1917. 
4. New Species of Amphinomidae from the Pacific Coast, by Christine Essen- 
5 
o ow 
berg. Pp. 61-74, plates 4-5. October, TOU7 cen. ceec ieee cesnetteatdeceteceeeee ten 
. Crithidia euryophthalmi, sp. nov., from the Hemipteran Bug, Euryophthalmus 
convivus Stal, by Irene McCulloch. Pp. 75-88, 35- text figures. Decem- 
DOES POET en a ane ae rea ESL ey creat 
6. On the Orientation of Hrythropsts, by Charles Atwood Kofoid and Olive 
Swezy. Pp. 89-102, 12 figures in text. Deceniber, 1917 ........ ae Ree ate 
7. The Transmission of Nervous Impulses in Relation to Locomotion ‘in the 3 
Earthworm, by John F. Bovard. Pp. 103-134, 14 figures in text. January, = 
Bi PA: er on Ma eA Pea tH A can BN fe aN ey CE Ey EEE Se ayn ee Ee 3 
8. The Function of the-Giant Fibers in Earthworms, by. John F. Bovard. Pp. 
135-144, 1 figure in text. January, 1918 -.2...2 oo 
9. A Rapid Method for the Detection: of Protozoan Cysts in “Mammalian 
Faeces, by William C. Boeck. -Pp. 145-149. December, 1917 .......... 
10. The Musculature of Heptanchus maculatus, by Pirie-Davidson... Pp, 151-170, 
12 figures in-text. March, 1948 os eek cachet cca cto tke otadeoeres 
11. The Factors Controlling the Distribution-of the Polynvidas of the Pacific 
Coast of North America, by Christine Essenberg. Pp. alae plates 6-8, 
2 figures-in “text. Merch,’ 19782-0528 ae See es CRs canada ugeen : 
12. Differentials in Behavior of the Two Generations of Salea democratica 
Relative to the Temperature of the Sea, by Ellis L. Michael. Pp. 239-298; 
plates 9-11, 1 figure in text. March, 1918 2ncccloco.tccccen ccc ceeetiviepecenecneeennene cee 
18. A Quantitative Analysis of the Molluscan Fauna of San Francisco Bay, by © 
EB. L. Packard. Pp. 299-336, a 12-13, 6 figs. in text. April, 1918... 
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