PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM SMITHSONIAN INSTITUTION U. S. NATIONAL MUSEUM VoL 109 WMhington : 1959 No. 3412 MARINE MOLLUSCA OF POINT BARROW, ALASKA Bv Nettie MacGinitie Introduction The material upon which this study is based was collected by G. E. MacGinitie in the vicinity of Point Barrow, Alaska. His work on the invertebrates of the region (see G. E. MacGinitie, 1955j was spon-sored by contracts (N6-0NR 243-16) between the OfRce of Naval Research and the California Institute of Technology (1948) and The Johns Hopkins L^niversity (1949-1950). The writer, who served as research associate under this project, spent the. periods from July 10 to Oct. 10, 1948, and from June 1949 to August 1950 at the Arctic Research Laboratory, which is located at Point Barrow base at ap-proximately long. 156°41' W. and lat. 71°20' N. As the northernmost point in Alaska, and representing as it does a point about midway between the waters of northwest Greenland and the Kara Sea, where collections of polar fauna have been made. Point Barrow should be of particular interest to students of Arctic forms. Although the dredge hauls made during the collection of these speci-mens number in the hundreds and, compared with most "expedition standards," would be called fairly intensive, the area of the ocean ' Kerckhofl Marine Laboratory, California Institute of Technology. 473771—59 1 59