OF THE GLOBE. 



205 



The following Table contains the observed mean tempera- 

 tures of thirty-one places, situated between the Equator and 

 the parallel of 70° of north latitude, together with the calcu- 

 lated results, as given by the preceding formula, and by that 

 of Mayek, in its latest form. 



TABLE OF MEAN TEMPERATURES. 



Equator, 



Columbo, 



Chandernagore, . 



Cairo, 



Funchal, 



Rome, 



Montpellier, 



Bourdeaux, 



Milan, 



10 Nantes, 



StMalo, 



Paris, 



Brussels, 



Dunkirk, 



15 London, 



Bushey Heath,.. 



Kendal, 



New Malton, 



Lyndon, 



20 Dublin, 



Copenhagen, 



Edinburgh, 



Carlscrona, 



Fawside, 



25 Kinfauns, 



Stockholm, 



Upsal, 



Abo, 



Umeo, 



80 Uleo, 



Latitude. 



0° .0" 

 6.58 

 22.52 

 30 .2 

 32.37 

 41.54 

 43.36 

 44.50 

 45.28 

 47.13 

 48.39 

 48.50 

 50.50 

 51 .2 

 51.30 

 51 .37f 

 54.17 

 54.10 

 54.34 

 53.21 

 55.41 

 55.67 

 56.16 

 56.58 

 56 .231 

 59.20 

 69.51 

 60.27 

 63.50 

 65 .3 



Observed 

 Mean Temp. 



81°.50 

 79 .50 

 75.56 

 72 .82 

 68 .54 

 60.44 

 59.36 

 56.48 

 57.18 

 54.68 

 54.14 

 51.89 

 51 .80 



50 .54 

 50.36 



51 .2 

 46.02 

 48.28 

 48.90 

 49.10 

 45.68 

 46.23 

 46.04 



.44.30 

 46.20 

 42.26 

 42.08 

 40.00 

 33.08 

 33.26 



Calculated 

 Mean Temp. 



81°.50 

 80.90 

 75.10 

 70.56 

 68.62 

 60.66 

 59.03 

 57.82 

 58.28 

 55.35 

 53.85 

 53.65 

 51.47 

 51.25 

 50.74 

 50.58 

 47.58 

 47.53 

 49.37 

 48.65 

 45.95 

 45.64 

 45.46 

 44.26 

 45.12 

 41.57 

 40.94 

 40.28 

 35.96 

 34.38 



Diflference. 



0°.00 

 1.40 + 

 0.46 — 

 1.76 — 

 0.08 + 

 0.22 + 

 0.33 — 

 1 .34 + 



1.10 + 

 0.67 + 

 0.29 — 

 1.76 + 

 0.33 — 

 0.71 + 

 0.38 + 

 0.62 — 

 1 .56 + 

 0.75 — 

 0.47 + 

 0.45 — 

 0.27 + 

 0.59- 

 0.58 — 

 0.04 — 

 1.08 — 

 0.69 — 

 1.14 — 

 0.28 + 

 2.88 + 



1.11 + 



Mayer's 

 Formula. 



84° .2 



83 .4 



76 .3 



71 .1 



69 .0 



60 .7 



59 .4 



59 .0 



57 .7 



56 .10 



54 .80 



64 .60 



52 .90 



52 JO 



52 .30 



49 .8 



49 9 



49 .5 



50 .6 

 48 .6 

 48 .32 

 48 .2 

 47 .5 

 47 .9 

 45 .5 

 45 .1 

 44 ,6 

 42 .1 

 41 .3 



Difference. 



2' 



.7 

 8.9 



+ 

 - + 

 0.74 — 

 1.31 + 

 0.46 + 

 0.36 + 

 0.04 + 

 2.52 + 

 0.5S + 

 1.42 + 

 0.66 + 

 2.71 + 

 1.10 + 

 2.16 + 

 1.94 + 



3.78 + 

 1.62 + 

 0.60 + 

 1.50 + 

 2.92 + 

 2.09 + 

 2.16 + 

 3 .20 + 

 1.70 + 

 3.24 + 

 3.02 + 

 4.60 + 

 9.02 + 

 8.04 + 



This 



