1900] NEWS 143 
Mr. C. F. HOTTEs, assistant in the botanical department of the University 
of Illinois, went two years ago to Bonn to equip himself for taking up ee 
specialty vegetable physiology. His work has proved so satisfactory that he 
intends staying another year. He will return to the University in Septem- 
ber Igol. 
A PROSPECTUs of an illustrated work on the maples, native and cultivated, 
in North America, has been issued by A. M. Lochman, Bethlehem, Pa. The 
work is to be by Charles L. Lochman, and is to have twenty-four suM: Page 
half-tone plates made from photographs of shoots and scat sa with forty- 
eight pages of text. 
PROFESSOR Dr. E. Loew (Berlin, S. W., Grossbeerenstr. 67) and Dr. 
Otto Appel (Charlottenburg, Schloss-str. 53), who have undertaken to pre- 
pare the third volume of Knuth’s Handbuch der Bluthenbiologie, appeal to 
all who have made biological observations on extra-European plants to 
communicate their papers or notes. 
MR. B. T. GaLtoway, chief of the division of vegetable physiology and 
pathology in the U. S. department of agriculture, was elected a vice-president 
of the A. A. A. S. and chairman of Section G (botany) for the Denver meet- 
ing. Professor A. S. Hitchcock, of the Kansas Agricultural College, was 
elected secretary of the section. 
BACTERIOLOGICAL EXAMINATIONS of the Chicago drainage waters are 
Constantly in progress in the University of Chicago and the University of 
Illinois, Samples from a score of places along the sanitary canal and the 
Illinois and Mississippi rivers are examined each week with a view of eh" 
mining the extent and kind of sewage contamination, and the influence o 
natural conditions in the purification of the stream. 
IT 18 EXPECTED that there will be no changes at present in the staff at 
the Missouri Botanical Garden and the Shaw School of Botany. During the 
summer Dr. H. von Schrenk will make a study of the diseases of forest trees, 
im the interest of the United States Department of Agriculture, probably 
Spending most of h H. F. Roberts 
Will pass the summ 
J. F. Collins, B 
Pennsylvania : 
: THE F 
ing fo: 
iversity of 
rown University ; Professor J. M. Macfarlane, University 
and Dr. A, B. Seymour, Harvard University. 
. st- 
OLLOWING NOTE, written in response to our circular letter serine 
Freview a Copy of the book named, may be of interest to botanists 
