M. de Beaumont on Ihe Glacier Theory. 117 



]3y combining these numbers with the distances of the points 

 to which the heights they express refer, measured on Keller's 

 map 1 have prepared the following table, which indicates the 

 inclination of the Upper limit of the erratic zone from one 

 point to another. 



hxdhxanon& of the Upper Limit of the Erratic Zone. 



Points compared. 



Griinsel, . 

 ^rncn, . . 

 ^rnen, . . 

 Bricg, . . 

 Brieg, . . 

 Martjgny, . 

 Great Saint-Bernard 

 Plan-y-bcuf. 

 Plan-y-beuf, 

 Martigny, . 

 i^Iartigny, . 

 Monthey, . 

 Mavtigiiy, . 

 Mimissc, . 

 Mimisse, . 

 Geneva, 

 Marligny, . 

 Playau, . . 

 Jlartigny, . 

 Chasseron, 

 Playau, , . 

 Chasseron, 

 Plan-y-beuf, 

 Chasseron, 

 Great Saint-Bernar 

 Chasseron, 

 Grimscl, . 

 Martigny, . 

 Griiiisel, . 

 Playau, . . 

 Grinisel, . 

 Chasseron, 

 ^rncn, . . 

 Playau, . . 

 Nivc of the Ober 

 Aar, . . . 

 Giiniscl 

 (Limit of the 



iit'iutonnccs). 

 Grimscl, . 

 Brunig, 

 (The two Cuts merely, 



arc compared) 



rochcs 



Distance of 



the different 



Points. 



25,000 

 10,000 

 80,000 

 15,000 

 ,18,000 

 18,000 

 44,000 

 49,000 

 44,000 

 92,000 

 49,000 

 110,000 

 125,000 

 121,000 

 105,000 

 213,000 

 140,000 



13,500 

 29,000 



DifTerence 



of Heiglit of 



tlie two 



Points. 



487 

 203 



70 



731 



319 



293 



425 



585 



228 



400 



172 



719 



1450 



850 



1078 



1250 



591 



024 



Slope in De- 

 cimal Frac- 

 tions, 



1037 



0.019480 

 0.018312 

 0.000875 

 0.048730 

 0.017722 

 0.01C277 

 0.009659 

 0.011938 

 O.0O5182 

 0.004348 

 0.003510 

 0.006536 

 O.OUGOO 

 0.007025 

 0.000333 

 0.005869 

 0.004221 



0.040211 

 0.035758 



Slope in De- 

 grees, Mi- 

 nutrs, and 

 Seconds. 



1 6 57 



1 2 56 



3 1 



2 47 24 



1 55 

 55 57 

 33 12 

 41 2 

 17 48 

 14 50 

 12 4 

 22 28 

 39 52 

 24 9 

 22 27 

 20 10 

 14 3 



2 38 45 

 2 2 62 



