UNIVERSITY OF CALIFORNIA PUBLICATIONS— (Continued) 



Vol. 7. (Contributions from the Museum of Vertebrate Zoology.) 



1. Two New Owls from Arizona, with Description of the Juvenal Plum- 



age of Strix occidentalis occidentalis (Xantus), by Harry S. Swarth. 



Pp. 1-8. May, 1910 10 



2. Birds and Mammals of the 1909 Alexander Alaska Expedition, by 



Harry S. Swarth. Pp. 9-172; plates 1-8; 3 text-figures. January, 1911. 1.50 



3. An Apparent Hybrid in the Genus Dendroica, by Walter P. Taylor. 



Pp. 173-177. February, 1911 05 



4. The Linnet of the Hawaiian Islands: a Problem in Speoiation, by 



Joseph Grinnell. Pp. 179-195. February, 1911 15 



5. The Modesto Song Sparrow, by Joseph Grinnell. Pp. 197-199. Feb- 



ruary, 1911 05 



6. Two New Species of Marmots from Northwestern America, by H. S. 



Swarth. Pp. 201-204. February, 1911 .05 



7. Mammals of the Alexander Nevada Expedition of 1909, by Walter P. 



Taylor. Pp. 205-307. June, 1911 1.00 



8. Description of a New Spotted Towhee from the Great Basin, by J. 



Grinnell. Pp. 309-311. August, 1911 05 



9. Description of a New Hairy Woodpecker from Southeastern Alaska, by 



H. S. Swarth. Pp. 313-318. October, 1911 05 



10. Field Notes on Amphibians. Reptiles and Birds of Northern Humboldt 

 County, Nevada, with a Discussion of Some of the Faunal Features 

 of the Region, by Walter P. Taylor. Pp. 319-436, plates 7-12. 



February, 1912 1.00 



Index, pp. 437-446. 

 Vol. 8. 1. The Vertical Distribution of Ewalainis elongatus- in the San Diego 



Region during 1909, by Calvin O. Esterly. Pp. 1-7. May, 1911 10 



2. New and Rare Fishes from Southern California, by Edwin Chapin 



Starks and William M. Mann. Pp. 9-19, 2 text-figures. July, 1911. .10 



3. Classification and Vertical Distribution of the Chaetognatha of the San 



Diego Region, Including Redescriptions of Some Doubtful Species 'of 



the Group, by Ellis L. Michael. Pp. 21-186 pis. 1-8. December, 1911. 1.75 



4. Dinoflagellata of the San Diego Region, IV. The Genus Gonyaulax, with 



Notes on Its Skeletal Morphology and a Discussion of Its Generic 

 and Specific Characters, by Charles Atwood Kofoid. Pp. 187-286, 

 plates 9-17. 



5. On the Skeletal Morphology of Gonyaulax catenata (Levander), by 



Charles Atwood Kofoid. Fp. 287-294 plate 18. 



6. Dinoflagellata of the San Diego Region, V. On Spiraulax, a New Genus 



of the Peridinida, by Charles Atwood Kofoid. Pp. 295-300, plate 19. 



Nos. 4, 5, and 6 in one cover. September, 1911 1.50 



7. Notes on Some Cephalopods in the Collection of the University of Cali- 



fornia, by S. S. Berry. Pp. 301-310, plates 20-21. September, 1911. .10 



8. On a Self-Closing Plankton Net for Horizontal Towing, by Charles 



Atwood Kofoid. Pp. 311-348, plates 22-25. 



9. On an Improved Form of Self-closing Water-bucket for Plankton In- 



vestigations, by Charles Atwood Kofoid. Pp. 349-352. 



Nos. 8 and 9 in one cover. November, 1911 . 40 



Index, pp. 353-357. 

 Vol. 9. 1. The Horned Lizards of California and Nevada of the Genera Phryiw- 

 soma and Anota, by Harold C. Bryant. Pp. 1-84, plates 1-9. Decem- 

 ber, 1911 70 



2. On a Lymphoid Structure Lying Over the Myelencephalon of tepisds- 



teus, by Asa C. Chandler. Pp. 85-104, plates 10-12. December, 1911. .25 



3. Studies on Early Stages of Development in Rats and Mice, No. 3, by 



E. L. Mark and J. A. Long. The Living Eggs of Rats and Mice with 

 a Description of Apparatus for Obtaining and Observing Them (Pre- 

 liminary paper), by J. A. Long. Pp. 105-136, plates 13-17. February, 

 1912 , 30 



4. The Marine Biological Station of San Diego, Its History, Present Con- 



ditions, Achievements, and Aims, by Wm. E. Ritter, Pp. 137-248, 

 plates 18-24, and 2 maps. March, 1912 1.00 



5. Oxygen and Polarity in Tubularia, by Harry Beal Torrey. Pp. 249- 



251. May, 1912 - 05 



6. The Occurrence and Vertical Distribution of the Copepoda of the San 



Diego Region, with particular reference to Nineteen Species, by Cal- 

 vin O. Esterly. Pp. 253-340, 7 text-figures. July, 1912 1.00 



7. Observations on the Suckling Period in the Guinea-Pig, by J. Marion 



Read. Pp. 341-351. September, 1912 10 



8. Haeckel's Sethocephalus eucecryphalus (Radiolaria), a Marine Ciliate, 



by Charles Atwood Kofoid. Pp. 353-357. September, 1912 05 



Index, pp. 359-365. 



