338 



NORTH AMERICAN FAUNA 68 



26 July to 5 October. Aleutian Islands. At Amchitka Island observe sea 

 otters; experiments with methods of holding otters in captivity and ob- 

 taining a food supply for them. (Kenyon.) 



10 October. Seattle, Wash. Place two sea otters in Woodland Park Zoo. 



1956 



5 May to 26 July. Aleutian Islands. At Amchitka Island, field studies of sea 

 otters and further experiments with feeding and holding in captivity. 

 (Kenyon and Lensink.) 



30 July. Seattle, Wash. Place two sea otters in Woodland Park Zoo. 



1957 



6 May to 28 September. Alaska survey. From Kodiak Island to Adak Island, 

 field studies of population size and distribution of sea otters were conducted 

 using boats and aircraft. (C. J. Lensink remained in the field during the 

 entire period. R. D. Jones, R. Lopp, D. L. Spencer, W. Troyer, and Wilke 

 participated with him in different areas.) 



1 October to 11 December. Aleutian Islands. Amchitka Island, field studies of 

 otters and further experiments in captive care and feeding of otters. (K. L. 

 Binkley, Kenyon, and H. R. Krear.) 



IJf December. Seattle, Wash. Place two sea otters in Woodland Park Zoo. 



1958 



10-21 March. California. Search for sea otters in coastal areas and at Santa 

 Rosa and San Miguel Islands of the Channel Islands group aboard the 

 M/V Trinity. (W. J. Barmore and Kenyon.) 



1959 



lU-21 January. Aleutian Islands. Adak Island. Conduct two experimental 



aerial surveys of sea otters using U.S. Navy UF-1 aircraft. Flight time: 



5.6 hours. (Kenyon.) 

 21 January to 20 May. Aleutian Islands. At Amchitka Island, field studies 



of sea otters and experiments with otters in captivity were conducted. 



(Kenyon.) 



19 May. Aleutian Islands. Aerial survey of sea otters from Attu to Amchitka 

 Island using DC-3 aircraft. Flight time: 9.1 hours. (Kenyon, T. Smith, D. L. 

 Spencer, and J. Tilford.) 



20 May. Pribilof Islands transplant. Fly seven sea otters to St. Paul Island 

 in a DC-3 aircraft and liberate them there. Flight time: 4.3 hours. 



21 May. St. Paul Island. Observations of liberated otters. 



21-28 May. Aleutian Islands. Aerial survey of sea otters from Semisopochnoi 

 Island eastward to Herbert Island in the Islands of Four Mountains, in- 

 clusive, using a DC-3 aircraft. Flight time: 19 hours. Total flight time 

 entire operation: 56.8 hours. (Kenyon, Smith, Spencer, and Tilford.) 



13 July. Washington State. Aerial reconnaissance of coastal waters along 

 outer coast of the Olympic Peninsula using a U.S. Coast Guard UF-2 air- 

 craft. Flight time: 3 hours. (G. Eddy, Kenyon, F. Richardson, and V. B. 

 Scheffer.) 



H-18 July. Washington State. Boat survey of rocks and islets off the outer 

 coast of the Olympic Peninsula. (Eddy, Kenyon, Richardson, and Scheffer.) 



