122 Vnivcrsitu of California Publications in Zoology [Vol. 15 



EXPLANATION OF TABLE 2, PART C 

 This part includes all the miseellaneoiis observations made in San 

 Diego Bay which have only an indirect bearing upon the special 

 investigations tabulated in parts A and H, or upon the ocean work. 



First column. — Witter sample numbers entered in chronological order irrespec- 

 tive of location. 



Second coltinm. — Time ivlien the sample was collected entered to the nearest 

 minute. 



Third and fourth columns. — Latitude and longitude entered to the nearest 0;01. 



Fifth column. — Depith from which the sample was taken entered to the 

 nearest meter. 



Sitth column. — Temjierature in situ. 



Seventh, eighth, and ninth columns. — Specific gravity of sample under atmos- 

 pheric pressure, the 1.0 being omitted; for meaning of symbols see page 48. 



Tenth column. — Salinity per mille determined from pycnometer measurements 

 (see p. 28) unless followed by the letter c. in which case Mohr's titrimetric 

 method was used (see p. 32). 



