LOCAL RACES AND CLINES IN THE MARINE 



GASTROPOD THAIS LAMELLOSA GMELIN 



A POPULATION STUDY 



BY TREVOR KINCAID 



Professor Emeritus in Zoology 



University of Washington 



m 



THE CALLI08T0MA COMPAlfY 



1904 East 52d. 



Seattle 5, Washington 



1957 



