

CONTEXTS 



PAGES 



No. 1. On the Weight of Developing Eggs. Part I, The Pos- 

 sible Significance of Such Investigations, by William 

 E. Ritter: Part II, Practicability of the Determina- 

 tions, by Samuel 10. Bailey 1- 10 



No. 2. The Leptomedusae of the San Diego Region, by Harry 



Ileal Torrey. With 11 text figures 11- 31 



No. 3. The Ophiurans of tin- San Diego Region, by ,1. F. Mc- 

 i lendon. With plates 1-0 ami supplementary page 

 opposite page 52 33- 64 



No. 4. Halocynthia johnsoni a. sp.: A comprehensive Inquiry as 

 to the Extent of Law and Order that prevails in a 

 single animal Species, by Wm. E. Ritter. With plates 

 7-14 05-114 



No. 5. Three Species of Cerianthus from Southern California, 

 by H. B. Torrey and F. L. Kleeberger. With 4 text 

 figures 115-125 



No. 6. The Life History of Trypanosoma dimorphon Button & 

 Todd, by Edward Hiudle. With plates 15-17, and 1 

 text figure 127-144 



No. 7. A Quantitative Study of the Development of the Salpa 

 Chain in Salpa fusiformis-rundnata, by Myrtle E. 

 Johnson. With 15 text figures - 145-170 



No. 8. A Revision of the Genus Ceratocorys, based on Skeletal 



Morphology, by Charles Atwood Kofoid 177-187 



No. 9. Preliminary Report on the Hydrographic Work carried 

 on by the Marine Biological Station of San Diego, 

 by George F. McEwen. With 1 text figure and 1 map 189 204 



No. 10. Biological Studies on Corymorpha. III. Regeneration 

 of Hydranth and Holdfast, by Harry B. Torrey. With 

 16 text figures 205 221 



No. 11. Note on Geotropism in Corymorpha, by Harry B. Torrey. 



Witli 1 text figure 223-224 



No. 12. The Cyclostomatous Bryozoa of the West Coast of 

 North America, by Alice Robertson. With plates 

 18-25 225 2s 1 



No. 13. Significance of White Markings in Birds of the Order 



Passeri formes, by Heim- C. Tracy 285-312 



No. 14. Third Report on the Copepoda of the San Diego Region, 



by Calvin O. Esterly. With plates 20-32 313-352 



No. 15. The Genus Gyrocotyle, and its Significance for Problems 

 of Cestode Structure and Phylogeny, by Edna E. 

 Watson. With plates 33-48 353 168 



Index 409-478 



List of Errata 478 



