Records from Karluk, Kodiak Island, Alaska, Wickaninnish Bay, Vancouver Island, and Kalalock Beach, Washington. All these appear to be individuals of a temporary invasion by planktonic larvae drifting north. They are not found regularly in these localit
In the sand of Wickaninnish Bay, Vancouver Island, between 1958 and 1960, there were many individuals, but in 1961 I found only one large cast shell and I know of no record since. Old-time residents in the area tell of earlier invasions.