SOME TIDE-WATER COLLECTIONS OF MARINE 



DIATOMS TAKEN AT HALF-HOUR 



INTERVALS NEAR SAN DIEGO, 



CALIFORNIA 



WINFRED E. ALLEN 



University of California Poblications in Zoology 

 Vol. 22, No. 9, pp. 413-416, 1 figure in text 



%'onal flMS^ 



UNIVERSITY OF CALIFORNIA PRESS 



BERKELEY, CALIFORNIA 



1923 



