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OTTO HAERASSOWITZ, E. FEIEDLAENDEE & SOHN, 



LEIPZIG. BERLIN. 



Agent for the series in American Arch- Agent for the series in American Arch- 

 aeology and Ethnology, Classical Philology, aeology and Ethnology, Botany, Geology, 

 Education, Modem Philology, Philosophy, Geography, Mathematics, Pathology, Physl- 

 Psycbology, History. ology. Zoology, and Memoirs. 



ZOOLOGY. — W. E. Bitter and C. A. Kofold, Editors. Price per volume, $3.50. Commenc- 

 ing with Volume II, this series contains Contributions from the Laboratory of the 

 Marine Biological Association of San Diego. 



Cited as Univ. Calif. Publ. Zool. 

 Volume 1, 1902-1905, 317 pages, with 28 plates _ $3.50 



Volume 2 (Contributions from the Laboratory of the Marine Biological Associa- 

 tion of San Diego), 1904-1906, xvll -f 882 pages, with 19 plates $3.50 



Volume 3, 1906-1907, 383 pages, with 23 plates $3.50 



Volume 4, 1907-1908, 400 pages, with 24 plates _ $3.50 



Volume 5, 1908-1910, 440 pages, with 34 plates „ $3.50 



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

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

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

 October, 1908 „ 10 



2. (XXIV) The Leptomedusae of the San Diego Region, by Harry Beal 



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



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



don. Pp. 33-64, plates 1-6. July, 1909 SO 



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



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



by Wm. E. Bitter. Pp. 65-114, plates 7-14. November, 1909 .50 



5. (XXVII) Three Species of Cerianihus from Southern California, by 



H. B. Torrey and F. L. Kleeberger. Pp. 115-125, 4 text-fignres. 

 December, 1909 „ „ 10 



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



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

 1909 ■ „ _. £0 



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



Chain in Salpa fusiformis-rv,ju:lnata, 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 Hydrographlc 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. Ill, Regeneration of Ey- 



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

 figures. 



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



Pp. 223-224; 1 text-figure. 



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



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



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



13. Significance of White Markings la Birds of the Order Passerlformes, 



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



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



Calvin Olln Esterly. Pp. 318-352; plates 26-32. February, 1911 40 



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



Structure and Phylogeny, by Edna Earl Watson. Pp. 363-468; plates 



33-48. June, 1911 1.00 



Index, pp. 469-478. 



* Roman numbers Indicate sequence of the Contributions from the Laboratory of the 

 Marine Biological Association of San Diego. 



