On Underground Temperatures. Table I. 



83 





V 



VI 





VII 





Depths 

 below 

 surface. 



Tempera- 

 ture at 

 depths. 





Refeeences and Remaeks. 



168 



Feet. 

 190 

 216 

 328 

 1279 

 1640 

 1968 

 2297 

 2487 

 2900 

 2966 

 3183 



Fahr. 



59° 1 

 64 - 4 



73 "4 

 116 



YA 

 Hz 



156 



163 



176 



178 



164 j 





Communicated (1882) by Professor Judd, from 

 letter of Professor Szabd. The observations were 

 made in 1877 and 1878. There are hot springs 

 and trachytic rocks in the neighbourhood. The 

 high temperatures are dependent upon neigh- 

 bouring old volcanic centres of activity. 



169 



751 



- - it: 



55* 





ocnott m omitnsonian Inst, ixeport, p. Z4y, lo74<. 



170 



930 



69-2 " 







111 

 192 



318 

 222 



67-9 

 55*5 - 



\ 

 1 



Hen wood, " Trans. Roy. Soc. Cornwall," vol. viii, 

 p. 751 (1871). 



112' 

 113 



1475 

 342 



59'i 

 53 "4 





Chamberlin, "G-eologv of Wisconsin," vol. ii, 

 p. 165 (1873-77). 



114 



672 



68 '8 







115 



552 



55 "5 





The observations were made in sumps or springs. 



116 



672 



57'5 







111 



840 



61 -5 , 







118 

 119 



118 



236 



58 



6V5 J 



[ 



Laurent, " Revue de Greologie," vol. xi, p. 258 

 (1875). 



180 

 181 



215 



453 



54 i 

 57'2 J 



i 



Vincent and Rutot, " Ann. Soc. Greol. Belg.," 

 vol. v, p. 77 and 99 (1878). 



182 

 183 



2230 

 413 



90-9 

 61-9 





Raulin's " Greologie," 1879, p. 84. 



184 



261 



93 '7 





Medlicott, " Geol. Survey of India," 1881. 



185 



238 



5° ->| 







186 

 181 



360 

 210 



54"5 

 49*5 



■ 



Sixth Report of Rivers' Pollution Commission, 

 1868. " Temperature of Wells." 



188 



300 



5o - 







X The water rose 5 metres above surface. 



§ See temperature of Boehuin, p. 60. 



|| The temperature of Stonyhurst is 47" 9°. 



G 2 



