Evidence that Amputation of Bacterial Flagella Does Not Affect Motility.

Science, a weekly journal foundedin 1880. is published each Friday by the American Association for the Advancement of Science at the Business Press. 10 McGovern Ave.. Lancaster, Pa. Editorial and Advertising Offices. 1515 Massachusetts Ave., N.W., Washington 5, D. C. Telephone. Executive 6060. Cable address, SCIMAG, Washington. D. C. Entered as second-class matter at the Post Office at Lancaster. Pa., January 13, 1948, under the Act of March 3. 1879. Acceptance for mailing at the special rate postage provided for in the Act of February 28, 1925, embodied in Paragraph 4, Sec. 538, P.L. and R., authorized January 13. 1948.