News & CommentScientific Notes and News

A DIRECTOR OF SCIENTIFIC WORK FOR THE DEPARTMENT OF AGRICULTURE

See allHide authors and affiliations

Science  12 Feb 1897:
Vol. 5, Issue 111, pp. 267-268
DOI: 10.1126/science.5.111.267

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview