CONTENTS 



PAGES 



1. The Schizopoda of the San Diego Eegion, by Calvin O. Esterly; 



with plates 1-2 1-20 



2. A Study of the Occurrence aiid Manner of Distribution of the 



Ctenophora of the San Diego Eegion, by Calvin O. Esterly 21-38 



3. A New Self-Eegulating Paraf&n Bath, by C. W. Woodworth; two 



figures in text 39-42 



4. Diplodinium ecaudatum, with an Account of its Neuromotor Appa- 



ratus, by Eobert G. Sharp; with plates 3-7; four figures in text 43-122 



5. The Vertical Distribution and Movements of the Schizopoda of 



the San Diego Bay Eegion, by Calvin O. Esterly 123-145 



6. The Anatomy of Heterodontus Francisci. I. The Exoskeleton, by 



J. Frank Daniel; with plates 8-9; four figures in text 147-166 



7. The Movements and Eeactions of the Isolated Melanophores of the 



Frog, by S. J. Holmes; with plate 10 167-174 



8. Polychaetous Annelids of the Pacific Coast in the Collections of 



the Zoological Museum of the University of California, by 



Aaron L. Treadwell; with plates 11-12 175-234 



9. New Syllidae from San Francisco Bay Collected by the U. S. S. 



Al'batross, by Aaron L. Treadwell; with seven figures in text 235-238 



10. Note on the Medusan Genus Stomolophus, from San Diego, by 



Henry B. Bigelow 239-241 



11. A Study of the Structure of Feathers, with Eeference to their 



Taxonomic Significance, by Asa C. Chandler; with plates 



13-37; seven figures in text 243-446 



12. Anatomical Adajjtations in the Thoracic Limb of the California 



Pocket Gopher and Other Eodents, by Charles Daniel Holliger; 



with plates 38-39; twenty figures in text 447-494 



13. The Inheritance of Extra Bristles in Brosopliila Melanogaster Meig., 



by Edna M. Eeeves; one figure in text 495-515 



Index 517-529 



Errata 529 



