Plate XXX. Meteorological, Observations for the mo?ith of October, 1873. 



. N Barometer 



i 



Dry Mb Thennometer 



¥etBulb Thermometer 



Temperature of Sea Surface 



£ 77it arrcws i^rvdiceUe/ tJie' dzre4:tlyOrv oft/tC' yvuiAf, coieb -(^ numbers 'beneatA/ vbs ^rcc^ acccr'clirvcf to ^ecuMrd's sc-ctJLey 



1^2 3 4 56 789 10 II 12 13 14 rs le |7 18 19 20 Z\ 22 Z3 24- 25 26 27 28 23 30 31 , -r 



[9tl — I ! - I I I I I I I I I — m — I II I , I I I I I I I M II I M I I I II I I I I I I I I I I I n — i-rrn-rr n I I I I I I II I I I I I I I I I I I I I I I II I I I I I I I i I I I I M I I II I I I I i Tn — rn^ 



