SALMON-TAGGING EXPERIMENTS IN ALASKA, 1924 AND 1925 1 
By Willis H. Rich, Ph. D. 
Director, U. S. Biological Station, Seattle, Wash. 
CONTENTS 
Page 
Introduction 109 
Experiments in southeastern Alaska 116 
Tagging record 116 
Returns from experiments in Icy Strait 119 
Returns from experiments in Frederick Sound 123 
Returns from experiments in Chatham Strait 123 
Returns from experiments in Sumner Strait 128 
Returns from experiments at Cape Muzon and Kaigani Point 135 
Returns from experiments at Cape Chacon 137 
Returns from experiments near Cape Fox and Duke Island 141 
Variations in returns of tagged fish 143 
Conclusions 144 
Experiments at Port Moller, 1925 145 
INTRODUCTION 
The extensive salmon- tagging experiments conducted during 1922 and 1923 2 
in the region of the Alaska Peninsula proved so productive of information, both of 
scientific interest and of practical application in the care of these fisheries, that it 
was considered desirable to undertake similar investigations in other districts. 
Accordingly, experiments were carried on in southeastern Alaska in 1924 and again 
in 1925. In 1925, also, at the request of one of the companies engaged in packing 
salmon in the Port Moller district, along the northern shore of the Alaska Penin- 
sula, the work done there in 1922 was repeated. The results of these experiments 
form the basis for the following report. 
During 1922 and 1923 operations were carried on under the direct supervision 
of Dr. C. PI. Gilbert and the author of this paper. It was impossible to give such 
supervision to the work conducted in 1924 and 1925; but the field work, including 
the actual tagging operations and the collection of data, was efficiently carried on 
by various other members of the bureau’s staff. 
Thanks are due to Dennis Winn, agent of the Alaska service, whose helpful 
cooperation in planning and arranging the work assured its success; to E. M. Ball, 
assistant agent, who conducted the tagging and collecting of data in southeastern 
1 Contribution No. 1 from the Seattle (Wash.) biological laboratory. 
! Experiments in Tagging Adult Red Salmon, Alaska Peninsula Fisheries Reservation, Summer of 1922, by Charles H. Gilbert. 
Bulletin, U. S. Bureau of Fisheries, Vol. XXXIX, 1923-24 (1924), Document No. 943, pp. 39-50. Washington. Second Experi- 
ment in Tagging Salmon in the Alaska Peninsula Fisheries Reservation, Summer of 1923, by Charles H. Gilbert and Willis H. 
Rich. Bulletin, U. S. Bureau of Fisheries, Vol. XLII, 1926, Document No. 991, pp. 27-75. Washington. 
109 
