THE VOYAGE OF H.M.S. CHALLENGER. 
. it A i' tb« uncorrected ami A 0 the corrected “ alkalinity ” (see pp. 19 and 20), we 
have 
The minimum A in the first series was = 0*00103 ; hence the corresponding A 0 is 
0*00099, «.e., still very much greater than nothing. 
With regard to the total solids (S and S 0 respectively), we easily see that 
Now S < <<ne - to about 34 4, hence this result could he allowed to remain uncorrected. 
I originally calculated my results in two ways: firstly, in reference to one kilogram 
• • l-w it«-r ; and .-ceomllv, r« f* rred to 100 grms. of “ total salts,” meaning the sum total 
of tli- \ due- of [SO.., CL — 0, Na_,0, K. 2 0, CaO, MgO]. In this memoir I content my- 
self with giving the latter values. 
1 m v. li.it 1 i • 1- en iid it i clear that all I had to do to correct the 21 analyses of the 
hr- ■ i- t v. .; to multiply all the quantities of lime by 0*91, and of soda by 1*0043, which 
!■ *:.••• pi .»< ti< ally ( aim to the adding on of a constant correction. The results of all the 
77 d;. • ar> unit'd in the following table (pp. 23 and 24), whose headings require 
ii" explanation, < ccept the statements that 1 1 1 < • numbers in the last column are the 
• i • i i : i 1 >. r • at;. idl'd to the n-q-ertivc spedmens by me for readier identification, 
l* in' m- t h» d< j'tli of the s' -a at the place where the sample of water was taken, 
v. . 8 d* -ignat' - th< depth (in most eases less) from which the sample came. The 
- o. I’, und r h m-ans that the water was obtained from the bottom. Why the 
i ’■ * ’ d j »1 1 1 1 ri - add, and only they, besides being given in terras of total 
- dts = 100, wen alw r • duced to chloriue= 1, is explained on page 29. 
A = const. + 0 
« 0 (1- 0 0043) 100 / 0 . 
62 + 91 56 ’ 
whence 
00043 9 
n n — lTr - 
— 24‘38/q > 
A 0 — A= -/ 0 x 0*000 075, 
or, as / 0 is about *58 grm. per kilo. 
A 0 = A — 0*000044. 
or, in terms of / 0 , 
S 0 — 8 = 0*00593/ 0 = 0*0034. 
