UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



ZOOLOGY 



Vol. 15, No. 2, pp. 207-254, 7 figures in text November 29, 1916 



CONTINUATION OP 



HYDROGRAPHIC, PLANKTON, AND 



DREDGING RECORDS 



OP THE 



SCRIPPS INSTITUTION FOR BIOLOGICAL 

 RESEARCH 



OF THE 



UNIVERSITY OF CALIFORNIA 



(1913-1915) 



COMPILED AND ARRANGED UNDER THE SUPERVISION OF 

 W. E. RITTER 



ELLIS L. MICHAEL 

 Zoologist and Administrative Assistant 



GEORGE F. McEWEN 

 Hydrographer 



CONTENTS PAGE 



Introduction 208 



A. Collecting apiiaratus and examination of data for errors 209 



1. New apparatus _ 209 



o. Serial closing apparatus 209 



h. Attachments to the Kofoid water bottle 212 



2. Errors in temperature, salinity, and depth 214 



a. Reasons for rejecting temperatures taken prior to June, 1908.... 215 



b. Methods of detecting and rejecting doubtful subsurface obser- 



vations 215 



B. Tabulation of data 217 



1. General explanation of tables 217 



a. Arrangement 217 



6. Recording of position _ 217 



f. Meaning and use of sections 217 



Table 1.— Ocean data 220 



Table 2.— Data relative to San Diego Bay 241 



Table 3.— Plankton field data 244 



C. Literature cited 254 



