off San Diego, California, United States

dredged

H. 55.4 mm - W. 51.6 mm

Vancouver Isl., Canada

dived at 20-30 m depth

H. 75.3 mm - W. 71.9 mm

Puget Sound, Washington, United States

dredged

H. 62.3 mm - W. 58.8 mm

off Nanaimo, Vancouver Isl., Canada

dived at 20-30 m depth

H. 61.1 mm - W. 57.0 mm

Vashon Isl., Puget Sound, Washington, United States

dredged

H. 62.0 mm - W. 56.6 mm

San Juan Isl., Washington, United States

trawled at 110 ft. depth

H. 61.9 mm - W. 57.9 mm