1915] Michael, et al. : Hydrographic Records of Scripps Institution 47 



N^ 12(118rV°— 114°) = 12(iS°) =4<), 

 S = 12{ 33t-2°— 32°) = r2(li°) = 14 



the section therefore being designated by 49i^. 



In all our tables the section in which each observation was made 



is entered, providing it was not made in San Diego Baj'. in which event 



Fig. 4. Sclienie for designating sections. 



it is omitted and a B inserted instead. In some instances, however, 

 observations were made so near the line of demarkation between two 

 sections that it is uncertain which of the two was really involved. In 

 such cases both sections are refered to, 15.5ii, for example, implying 

 that the observation was made near the boundary of ISj, and IGn, 

 while 15n 5 implies that it was made near the boundary of 15,, and 



