August 24 * 1878. 
Breakfasted and Broke c amp today early* Collected two 
specimens on the Lake shore near camp- -a reddish porphyry and 
dark laminated or dr awn on vesicular obsidian porphyry. The 
sands and pebbles of the beach are entirely volcanic --mostly 
porphyries. Many of the fragments are large and none seem 
to be fully rounded. There are no quartz pebbles whatever. 
The outcrops are not large and are of the dark variety and 
quite rotten* so that it is hard to obtain a well shaped 
specimen. The bar that encloses the Lagoon or swamp is 
a mile or more in length. 7e were at the west end. Saw 
a number of deer on the bank at the east end. There are 
other outcrops of porphyry on the east shore. Prom camp 
I let my mule retrace his steps through the delightful 
forest to the foot of Shoshone Lake. There are many grassy 
parks by the way and much beautiful open forest. There are 
no outcrops and no fallen timber. hen near Shoshone my 
rnule Billy lost the trail and Gannett rode ahead. 
The Elk Chase. 
On emerging from the timber into the swampy meadow 
by the lake I happened to be in the lead again end on 
looking across toward, the crossing at the foot of the 
lake 1 saw an object in the timber that skirts the bank/ 
that looked somewhat like a deer or elk. The object was 
perhaps a hundred yards off and I was uncertain but imm- 
ediately put a cartridge into my fifle and sprang to the 
