UNIVEESITT OF CALIFORNIA PUBLICATIONS— (Continued) 



12. Birds of the 1908 Alexander Alaska Expedition, with a Note on the 

 Avifaunal Eelationships of the Prince William Sound District, by 

 Joseph Grlnnell. Pp. 361-428, plates 33-S4, 9 text-figures. 



Nos. 11 and 12 in one cover. March, 1910 , 11.00 



Index, pp. 429-440. 

 Vol. 6. 1. (XXTIT) On the Weight of Developing Eggs. Part I, The Possible 

 Significance of Such Investigations, by William £. Bitter; Part II, 

 Practicability of the Determinations, by Samuel E. Bailey. Pp. 1-10. 



Octob er, 1908 ^ .10 



2. (XXTV) The Leptomednsae of the San Diego Region, by Harry Heal 



Torrey. Pp. 11-31, with text figures. February, 1909 „ .20 



5. (XXV) The Ophiurans of the San Diego Region, by J. F. McOlen- 



don. Pp. 33-64, plates 1-6. July, 1909 „ _ .80 



4. (XXVI) Halocynthia johnsoni n. sp.: A comprehensive inqiulry as to 

 the extent of law and order that prevails in a single animal species, 

 by Wm. E. Ritter. Pp. 65-114, plates 7-14. November, 1909 JJO 



6. (XXVII) Three Species of Cerianthiis from Southern California, by 



H. B. Torrey and F. L. IQeeberger. Pp. 115-125, 4 text-fignrei. 

 December, 1909 .10 



6. The Life History of Trypanosoma dimorphon Dutton & Todd, by 



Edward Hindle. Pp. 127-144, plates 15-17, 1 text-figure. December, 

 1909 „ _ ^ .50 



7. (XXVm) A Quantitative Study of the Development of the Salpa 



Chain in Salpa fusiformis-runcinata, by Myrtle Elizabeth Johnson. 



Pp. 145-176. March, 1910 _ „ .35 



8. A Revision of the Genus Ceratocorys, Based on Skeletal Morphology, 



by Charles Atwood Kofold. Pp. 177-187. May, 1910 .10 



9. (XXIX) Preliminary Report on the Hydrographic Work Carried on by 



the Marine Biological Station of San Diego, by George F. McEwen. 



Pp. 189-204; text-figure and map. May, 1910 _ .15 



10. (XXX) Biological Studies on Corymorpha. m. Regeneration of Hy- 



dranth and Holdfast, by Harry Beal Torrey. Pp. 205-221; 16 text- 

 figures. 



11. (XXXI) Note on Geotropism in Corymorpha, by Harry Beal Torrey. 



Pp. 223-224; 1 text-figure. 



Nos. 10 and 11 in one cover. August, 1910 .20 



12. The Cyclostomatons Bryozoa of the West Coast of North America, by 



Alice Robertson. Pp. 225-284; plates 18-25. December, 1910 „. .60 



IS. Significance of White Markings in Birds of the Order Passeriformes, 



by Henry Chester Tracy. Pp. 285-312. December, 1910 .25 



14. (XXXm) Third Report on the Copepoda of the San Diego Region, by 



Calvin Olin Esterly. Pp. 313-352; plates 26-32. February, 1911 .40 



15. The Genus Gyrocotyle, and Its Significance for Problems of Oestode 



Structure and Phylogeny, by Edna Earl Watson. Pp. 353-468; plates 



33-48. June, 1911 1.00 



Vol. 7. 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 1-6; 3 text-figures. January, 1911. 1.50 



8. 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 Speciation, 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 



Vol. 8. 1. The Vertical Distribution of Eucalanus 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-fiiures. July, 1911 .10 



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



Diego Region, Including Descriptions of Some Doubtful Species of 

 the Group, by Ellis L. Michael. In press. 



4. Dlnofiagellata 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 Kofold. Pp. 187-286, 

 plates 9-17. 



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



Charles Atwood Kofold. Pp. 287-294, plate 18. 



6. Dlnofiagellata of the San Diego Region, V. On Spiranlax, a New Genus 



of the Perldinlda, by Charles Atwood Kofold. Pp. 295-300, plate 19. 



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



