502 
ISOCHIMENAL TEMPERATURES. 
This gives an average difference between the respective means 
of 8:4 degrees, or a diminution of nearly two-thirds of a degree 
. of temperature for every hundred feet of elevation, and it will be 
noted that the January observations furnish almost precisely the 

same result. 
Max. 
Jan. | A7 
aren 48 
i Go 47 
jaan | 49 
ae 48 
Sah. 51 
oo a 50 
aes) 49 
eae) 48 
es LO 45 
Par 44, 
epee 45 
agilio 45 
ee 45 
Pets) 44, 
pai 43 
Loui 43 
Edis 40 
» 19 39 
3 20 Al 
sree 39 
, 22 | -46 
3 20 39 
3» 24 38 
ir) 40 
5 20 39 
wath 42 
eo AQ 
ae) 38 
3, 00 39 
So 30 

BYWELL. 
Min. Mean. 
46 46°5 
42 45 
42 445 
43 46 
43 A45°5 
45 48 
AZ  43°5 
46 47:5 
40 44 
30 3 = -387°5 
385 =. 895 
40 = 42°5 
389 = 42 
41 48 
offen 40:5 
38 40°5 
33 = 388 
34 37 
34 386°5 
36 88:5 
38 38:5 
36. 38 
82. = 35°5 
32 =35 
36-338 
36 39875 
34 3688 
34 = 388 
30) 334 
27 2 33 
29 «82 


ALLENHEADS. 
Max. Min. Mean. 
44 86 40 
AQ 35 223879 
38 "8G “SF 
44 87 40°5 
43 387 40 
46a). 3560844 
44. 35 389°5 
44 388 41 
AZ* 82° 87 
OVE 27 toe 
SO 27 aa 
41 382  386°5 
39%) 32.1% 3b 
35 0 0682.—S 335 
36; 28. 82 
338 =. 227_~—Ss 880 
S23 22a, ae 
287) 18h 23 
30. 22. 6 
30%) 25t% 29 
29 22 25°5 
30°. 2675 28 
a0R 20Ak 25 
32. 24 = 28 
31 25°. 28 
382 24 828 
31 180y 2405 
30° «17 ~— 5 
30)s. 135-215 
Paes Sma tat 2271 
2088 18ers 
Total 
Difference 
between the 
Means. 
75 

AOAWH OWT 
orcot oT 


280 
Though the results of the two months’ observations closely 
correspond, it is probable this diminution of two-thirds of a 
degree per hundred feet is a higher proportion than will fairly 
