Columns: 
(MIXED RED AND BLUE) 
3-5 vessel code. See Appendix No. 2, p. 44* 007 = C. H. Gilbert . 
6-9 cruise number. For example, cruise 47 would be written 0047. 
(RED ONLY) 
44-45 wind direction. Code according to Table 1, H«0« Pub* 606-c. 
46-47 wind speed. Record in whole knots. 
48-49 barometer. Read in millibars and code according to Table 2, 
H*0• Pub. 506-c. 
50-51 weather. Code according to Table 3, H.Oo Pub. 606-c. 
52 sea. Code according to Table 7, H.O. Pub. 606-Co 
53 visibility. Code according to Table 6 , H.O. Pub. 606-c. 
(BLUE ONLY) 
32-34\ 
35-37j Enter both in degrees Centigrade to the nearest .1°. 
38 cloud type. Code according to Table 4, H.O. Pub. 606-c, 
39 cloud amount. Code according to Table 5, HcO. Pub, 606-c. 
(RED ONLY) 
Blank. n _ _ bottle no.” This field is to record surface nutrients. 
If, for example, surface phosphate is taken, enter "PO^ in 
the space above the x^ord n bottle.” Enter PO 4 bottle numbers 
below. 
