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Date of Award


Document Type


Degree Name

Master of Arts (M.A.)


Graduate School

First Advisor

Joel W Hedgpet

First Committee Member

Alden E. Noble

Second Committee Member

Donald L. Lehman


The literature dealing with the larva of Pacific Coast brachyuran crabs is slight. The prominent papers, those of Aikawa (1927, 1928, 1929, 1933, 1937), deal with a variety of genera and offer information useful in determin- ing family relationships. A single paper by Hart (1935) also deal with a number of brachyuran larvae found in the Pacific Ocean. None of these papers, however, identifies to species any member of the genus Cancer, although one member, C. magister (Dana) is of considerable economic importance on the pacific coast of North America. In the fall of 1958 an investigation was under taken to identify the larval stages of members of the genus Cancer. This work was accomplished under a contract with the California Department of Fish and Game, Division of Marine Resources.





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