146 Miscelianeous Intelligence. 
~was much increased by Mr. Lassell’s taking part in it, Prof. Stoney re- 
7. Observations with the Aneroid Metallique and Thermometer during ‘¥ 
e same localities, as recorded in the accompanying table. In 
Dent’s Tables 85 feet are calculated for the difference of each tenth of an 
inch of barometer: this multiplied by 39°37 inches, equal:to a metre, 
gives 33°46 feet, or 33°50 feet in common practice, as the multiple of each 
division in the aneroid metallique. In practice I found it very nearly 
correct :—for instance, there are 47 steps with a six-inch rise going dow2 
into the Tomb of the Virgin Mary in the Valley of Jehoshap ashe 
23°45 feet. Again, the minaret of the Church of Ascension on the top 
of the Mount of Olives measured 36°5 feet; by aneroid the difference =~ 
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: Ses, Sea, 1313°5 
feet by aneroid, while Lynch made it 1316-7 feet by level, and oe 
Symonds calls it 1312 feet. There is also a variation in the line of le 
to Usdum the line of salt incrustations was 40 yards and the line of drif, 
70 yards distant from the edge of the sea, while along the west side ‘ ae 
