! 
\ 
Introduction 
This is a report of observations made by A. Binion Amerson, Jr., and 
L 
George S. Wislocki of the Pacific Ocean Biological Survey Program during 
the period March 5 to 22, 1964-. .Other members of the field party included - 
Ronald E. Walker, biologist, Hawaiian Pish and Game Division; Eugene Kridler 
and Edward O'Neil, biologists, U.S. Fish and Wildlife Service; and Loren 
Kroenke, research assistant. Department of Geophysics, University of Hawaii. 
This field party worked from the U.S.C.G. C. PLANETREE(WAGL 50?) an< ^ visited 
Nihoa, Laysan, Lisianski, Pearl and Hermes Reef, and Midway. The Fish and 
Wildlife personnel and George Wislocki disembarked at Midway while Binion 
Amerson and Loren Kroenke continued to Johnston Atoll* 
* "V 
The major emphasis for this trip was to determine the status of the 
avifauna on each island visited. This included species,'present, population 
size, breeding data, and banding. Observations were made at sea between 
islands to determine bird species and numbers present. Limited collections 
were made of insects and plants due to the time element involved. Records 
were kept on the numbers of turtles and seals present. Extensive photo¬ 
graphs were taken on each island. Loren Kroenke made gravity readings on 
‘ ' f 
each island. 
Itinerary 
March 5, 1964- 
March 6, 1964- 
March 7, 1964 
March 8, 1964 
left Sand Island, Honolulu at 8:00 AM 
arrived and landed on Nihoa at 10:00 AM 
left Nihoa at 8:00 AM 
arrived Necker - sea too rough to permit 
.landing 
