106 TREMATODES OF THE PACIFIC NORTHWEST 



McCaule}^, James E. 



1954. Some hemiurid trematodes of Oregon marine fishes. Ph.D. tliesis, Oregon 

 State College, Corvallis, 73 pp. 

 Peterson, Harold O. 



1931. On trematodes of water birds with descriptions of two new species. M.A. 

 thesis. University of Washington, Seattle. 

 Royce, Bertha M. 



1937. Some trematodes of Pacific Northwest birds. Ph.D. thesis, University of 

 Washington, Seattle. 

 Thatcher, Vernon E. 



1954. Helminth parasites of the Pacific terrapin. Clcmniys marmorata. M.S. thesis, 

 Oregon State College, Corvallis, 33 pp. 



Wakhroucheff, Deena. 



1955. Some hemiurids of British Columbia marine fishes. B.A. thesis. University of 

 British Columbia, Vancouver. 



Warren, Albert J. 



1956. Arthropod and helminth parasites of the mallard duck. Anas Platyrbynchus 

 platyrhynchus (L.) in Northern Idaho. M.S. thesis, University of Idaho, 

 Moscow. 



Werby, Helena. 



1926. A review of the trematode genus Harmostomum new to North America. 

 M.S. thesis. University of Washington, Seattle, 59 pp. 



