LOCAL RACES AND CLINES IN THE MARINE 



GASTROPOD THJIS LAMELLOSA GMELIN 



A POPULATION STUDY 



BY TREVOR KINCAID 

 Professor Emeritus in Zoology 

 University of Washington 



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K^/K MAS^ 



THE CALLIOSTOMA COMPANY 



1904 East S2d. 

 Seattle 5, Washington 



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