Warner, R. E. 1963. Recent history and ecology of the Laysan 
duck. Condor 65 (l): 2-23. 
Wetmore, A. 1923* Personal field notes from the Tanager 
Expedition, (unpublished manuscript). 
Wetmore, A. 1925. Bird life among lava rock and coral sand. 
Nat. Geogr. Mag. 48: 77-108. 
Wheeler, W. M. 1934. Revised list of Hawaiian ants. Occ. 
Papers Bishop Mus. 10 (21)2 1-21. 
\/^ Woodside, D. H., Kramer,) R. J. 1961 . Report on a survey trip 
to the Hawaiian Islands National Wildlife Refuge, March, 1961. 
(■unpublished manuscript). 
Zimmerman, E. C. 1948. Insects of Hawaii. Honolulu, 1948. 
