298 Miscellaneous Intelligence. 
ble. With the chlorid the metal is reduced by heat, with amalgam the 
- mercury is volatilized. The process above described is applicable to 
all pyrites which contain gold. The expenses attending the extraction 
of 2 Ibs. of gold from the Chessy ores, after deducting the value of the 
copper obtained, do not exceed four hundred francs. 
2. The Table Land of Thibet, (Athen., No. 1146.)—In April last 
we had occasion to speak of the first fruits of Dr. Hooker’s mission to 
explore the botanical and physical character of the Himalaya. He had 
the frontiers are guarded by the Chinese and Sikkim tribes, and the 
difficulty of obtaining provisions and guides, it was some months before 
Dr. Hooker could make the pass. This, however, has been effected :— 
as the following letter describes. 
Tartare ; but | walked a considerable part of the way, collecting many 
new plants. The Thibetans come over the frontier in summer to feed 
their Yaks, and reside in horse-hair tents. I entered one and was 
much amused with a fine Chinese-looking girl, a jolly laughing wench, 
who presented me with a slice of curd. These people eat curd with 
the cream is enclosed and beaten, stam 
t 
is an oblong box, a yard in length, full of rhododendron twigs, froste 
of the Soubah made tea, adding salt and butter, and each produced our 
Bhotea cup, which was always kept full. Curd, parched rice, ap 
Presently a tremendous peal, like thunder, echoed down the 
glen. My companions started to their feet, and cried for me to be off, 
= dans le — méme, est un objet digne de recherche. * * Eclaircir le prob- 
: uteur des neiges perpétuelles 4 la pente méridionale et 4 la pente se 
tentrionale de 'Himalayah en — rappellant a ies 
troisiéme yolume de mon Asie Centrale: 
