CONTENTS 



PAGES 



1. A Eevision of the Microtuft californicus Group of Meadow Mice, by 



Remington Kellogg 1-42 



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



Grinnell 43-47 



3. Notes on the Natural History of the Bushy-tailed Wood Rats of 



California, by Joseph Dixon 49-74 



4. Revision of the Avian Genus Passpfella, \vitli Special Reference to 



the Distribution and Migration of the Races in California, by 



H. S. 8warth 75-224 



5. A Study of the California Jumping Mice of the Genus Zapus, by 



A. Brazier Howell .^ 225-238 



6. Two New Rodents (Genera Thomomys and Marmota) from the East- 



ern Border of California, by Joseph Grinnell 239-244 



7. A Study of the Calif ornian Forms of the Microtus montana-^ *_. .oup 



of Meadow Mice, by Remington Kellogg 245-274 



8. A Synopsis of the Microtus mordax Group of MeadoAv Mice in Cali- 



fornia, by Remington Kellogg 275-302 



9. Behavior of the Leaf -nosed Snake, Pliyllorhynchus decurtatus, by Sara 



Rogers Atsatt 303-312 



10. A Systematic List of the Mammals of California, by Joseph Grinnell 313-324 



11. The Systematic Status of the Mountain Lion in California, by Joseph 



Grinnell and Joseph Dixon 325-332 



12. New Subspecies of Birds from Patagonia, by Alexander Wetmore .... 333-337 



13. Revision of the Genus Lynx in California, by Joseph Grinnell and 



Joseph Dixon 339-354 



14. Changes During Growth in the Skull of the Rodent Otospermophilus 



grammurus heecheyi, by E. Raymond Hall 355-404 



15. A New Race of the White-breasted Nuthatch from Lower California, 



by Joseph Grinnell 405-410 



16. Two New Races of the Pine Marten from the Pacific Coast of North 



America, by Joseph Grinnell and Joseph Dixon 411-417 



17. The Trout of the Sierra San Pedro Martir, Lower California, by 



John Otterbein Snyder 419-426 



18. Systematic RevieAV of the Pacific Coast Brown Towhees, by Joseph 



Grinnell and Harry S. Swarth 427-433 



Index - 435-437 



