Physical Geography of the Andes of Quito. 99 
Sound some 30 miles, when it it is replaced by the hard slates and 
0 mi e 
> 
sandstone, and I have followed them u les more to Una- 
lakleet river. Here you cross in winter to the Youkon, 200 miles 
e 
The Inglutélic river emptying into Norton Sound, has a somewhat 
similar reputation. 
or on : 
T have carefully examined the country over which I have assed, 
for glacial indications, and have not found any effects attributable 
gencie 
ions to the westward of the Rocky mountains, although small 
single glaciers have and still do exist between spurs of the moun- 
in New England, no scratches or other marks of ice te 
b oke 
remain in the country and carry on the work as long 
will allow. I shall’ devote to this purpose the savings of my 
Salary as assistant Surgeon for the last two years, about $600, 
ai ow 
and endeavor to fulfil my pledge of eee out the work left 
almost untouched at Mr. Kennicott’s deat ‘ 
Note on the Physical Geography of the Andes of Quito; by 
- James tone (Letter ss D. se dated Quito, Ecuador, 
Oct. 12, 1867.) 
Knowing your interest on every fact bearing on Physical Ge- 
Peraphy; send you a line from the Andes, preparatory to some- 
thing more elaborate on my return. The first and most impor- _ 
tant problem which you suggested previous to my departure, was _ 
the ope of the volcanic cones. this interesting question I have 
ever kept in view in my travels up and down this valley; but 
