night and day
operator’s hand (caught on two facing prelim pages, here conjoined)
Frederick Vernon Coville (1867-1937 *) and Daniel Trembly MacDougal (1865-1958 *). Desert Botanical Laboratory of the Carnegie Institution.
Carnegie Institution of Washington, Publication No. 6 (November 1903)
Stanford copy, no date of digitization, via archive.org
opens to same page spread (poorer scan) at google books
hands; night and day
F. V. Coville, D. T. MacDougal