Mineralogy and Geology. 415 
‘Twould refer those who may desire a more extended account of this 
method of blowpipe analysis, including particular descriptions of all, and 
engravings of some, of the precipitates observed, to a paper entitled 
“Observations on Crystals and Precipitates in Blowpipe Beads,” to appear 
in the forthcoming “ Memoirs” of the “ Boston Society of Natural History.” 
Cambridge, February, 1864. 
1, Elements of Chemistry : Theoretical and Practical ; by Witu1am 
Auten Minter, M.D., L.L.D., Professor of Chemistry in King’s College, 
London, &c., &. Chemical Physics, Part II: Electricity and Magnet: 
From the third London edition. New York: John Wiley, 535 
general purposes of the higher student of chemical philosophy. 
l, I. to accommodate the 
Il MINERALOGY AND GEOLOGY. 
1. Volcano of Kilauea, Hawaii—tl. From a letter to Prof. Lyman, 
lake has risen and thrown its fiery jets far over its rim, sometimes shoot- 
ing them upward 40 to 100 feet. The upward pressure of the Java has 
opened seams in some parts of the crater, from which it has flowed out 
im 
and covered exte 
on its lower side, and floods of molten rock have there been disgorged. 
__ he whole circumference of the crater under its surrounding walls has 
been submerged beneath molten lava, and some portions of it seve 
times. By this circumference, or outer belt, I mean the limits of the so- 
called “Biack Ledge.” Of course, there is no Black Ledge there now, it 
ving been overflowed and obliterated more than 10 years ago. 
the northern portion of the crater, in the region where the foot-path de- 
and reach, by the usual path, the floor of the crater, on account of the 
Sea of fire bi: its plaacldiat Siamese floods of Java ia deposited 
and se 
ut wal made it about 700 feet; probably it is not more than 600 
Row, 
