248 University of California Publications in Zoology [Vol. 26 
LITERATURE CITED 
Allen, W. E. 
1922. Observations on surface distribution of marine diatoms between San 
Diego and Seattle. Ecology, 3, 140-145. 
1923. Statistical studies of marine diatoms of the San Diego region collected 
by U.S.S. Pioneer in midwinter 1923. Univ. Calif. Publ. Zool., 22, 
445-448. 
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