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 Mayer, 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, 



Uleo, 



Latitude. 



I 



o° .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 .57 

 56.16 

 56.58 



56 .23 1 

 59.20 

 59.51 

 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 



Difference. 



o°.oo 



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 



.0 



57 



.7 



56 



.10 



54 



.80 



64 



.60 



52 



.90 



52 



,70 



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 + 



3.9 + 

 0.74 — 

 1.31 + 

 0.46 + 

 0.36 + 

 0.04 + 

 2.52 + 

 0.52 + 

 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 



