TREASURY DEPARTMENT, 
Document No. 429. 
Secretary—R. M. 
LETTER 
FROM 
THE SECRETARY OF THE TREASURY, . 
IN RESPONSE TO 
A resolution of the House of Representatives transmitting the observations and notes made during the 
cruise of the revenue-cutter Corwin in 1881. 
MARCH 3, 1883.—Referred to the Committee on Commerce and ordered to be printed. 
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TREASURY DEPARTMENT, March 3, 1883. 
.S1r: I have the honor to acknowledge the receipt of resolution of the House, dated March 3, 
1883, requesting that the Secretary of the Treasury furnish, as soon as convenient, to the Speaker 
of the House copies of documents in the possession of the Treasury Department containing obser- 
vations on glaciation, birds, natural history, and the medical notes made upon cruises of revenue- 
cutters in the year 1881. 
In reply, I transmit herewith the observations on glaciation in the Arctic Ocean and the Alaska 
region, made by Mr. John Muir; notes upon the birds and natural history of Bering Sea and the 
northwestern region, by Mr. E. W. Nelson; and medical notes and anthropological notes relating 
to the natives of Alaska and the northwestern Arctic region, made by Dr. Irving C. Rosse. 
All these notes were made upon the cruise of the revenue-cutter Corwin in 1881. 
Very respectfully, 
H. F. FRENCH, 
Acting Secretary. 
Hon. J. W. KEIFER, 
Speaker of the House of Representatives. 
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