Date of Award


Document Type


Degree Name

Master of Science (M.S.)



First Advisor

Alden E. Noble


The aim of this investigation was to study some of the digenetic trematodes of marine fishes from Monterey Bay, with special reference to the genus Opecoelus family Opecoelidae Ozaki 1925. Extensive work on this family has been done by Dr. D. Yaiuaguti and his colleagues in Japan. After the Allan Hancock Pacific expeditions to the Galapagos Islands in 1934. Dr. H. W. Menter described a few new species from the Galapagos and some Lexicon Islands in 1940. The same author reported a new species from La Jolla, California in 1951; but until now, no further observations have been made on this genus in California.

The project was undertaken in the fall of 1958, The preliminary preparations of specimens for microscopic observations were made by Dr. L. Noble during his visits to the Hopkins marine Station, California in 1927 and 1936 respectively.



Included in

Zoology Commons



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