-.* 
=. 

> 
2 Fs al 
June 2, 1923] 
in the introduction of a system of rational forest 
management in India. He recorded his experiences 
and ideas in numerous reports, and he published a 
book on his “‘ Reminiscences” of his activity in the 
Central Provinces. He was a great judge of character, 
and he succeeded in becoming the friend of those who 
served under him, while stimulating them to energetic 
action similar to his own. While at Nancy, he 
overcame in a short time the difficulties which had 
sprung up before his arrival, and his influence upon 
the students was highly beneficial; in return they 
loved and admired him. His younger son is a dis- 
tinguished member of the Dehra Dun Research 
Institute. 
Cart. C. H. Ryper. 
_ News has come from Copenhagen of the death of 
Capt. Carl Hartvig Ryder, director of the Danish 
Meteorological Service, on May 3. He had been known 
to be suffering from rheumatism for some years and 
lately to find the cares of his official duty onerous ; 
but, to us, the news of his death has come quite unex- 
pectedly. 
The Danish Meteorological Office is justly famous for 
the early production of Daily Weather Charts of the 
Atlantic Ocean, 1873 to 1876, by Capt. Hofimeyer, 
sometime director, a work which was continued by the 
Danish Meteorological Office and Deutsche Seewarte 
jointly from 1881 until 1911, with the interval of 
August 1882 to August 1883, which was covered by the 
maps of the London Meteorological Office. In 192% 
the International Committee expressed the desire for 
the charts to be brought up-to-date and Capt. Ryder 
had promised his aid. Further, with its relations to 
Greenland and Iceland, Denmark is one of the guardians 
of the farthest North, and for many years the Danish 
Meteorological Office has compiled all available infor- 
NATURE 
; 749 
mation about ice in northern waters and published with 
great promptitude year by year reports thereupon. 
- Capt. Ryder, a naval officer, was appointed director 
in 1907 on the death of Paulsen. He became a member 
of the International Meteorological Committee in 1910 
and was an indefatigable and most helpful member of 
that body, especially in regard to weather telegrams 
from Iceland. By nature he was disposed to work out 
meteorological progress on conservative lines: he 
realised that there was still much to be done in improv- 
ing the data without which there are no adequate 
means of testing theories. His presence at future 
international meetings will be sadly missed by his 
colleagues. NAPIER SHAW. 

WE regret to announce the following deaths : 
Dr. D. Duncan, formerly director of Public Instruc- 
tion in India and principal of Presidency College, 
Madras, and biographer of Mr. Herbert Spencer, on 
May 18, aged eighty-three. 
Dr. Hans Goldschmidt, the originator of the process 
for the preparation of chromium known by his name 
and of thermite, a mixture of aluminium and oxide 
of iron, used for welding iron and steel, and also in 
incendiary bombs, on May 20, aged sixty-two. 
Prof. G. L. Goodale, professor of botany at Harvard 
University from 1878 until his retirement as emeritus 
professor in 1909, and president .of the American 
Association in 1890, on April 12, aged eighty-three. 
Prof. Immelmann, general secretary of the German 
R6ntgen Society, in Berlin, on April 1, aged fifty-six. 
Dr. A. Looss, formerly professor of parasitology in 
the School of Medicine, Cairo, a distinguished hel- 
minthologist, on May 4, aged sixty-two. 
Mr. M. de C. S. Salter, superintendent of the 
British Rainfall Organisation, on May 21, aged forty- 
two. 
_ Prof. A. G. Webster, professor of physics, Clark 
University, Worcester, Mass., known for his work on 
‘acoustics, aged fifty-nine. ; 
Current Topics and Events. 
WE learn from the Paris correspondent of the 
Times that the celebrations of the centenary of the 
birth of Pasteur commenced on May 24 with a 
reception by the French President at the Elysée. 
On the following day the principal ceremony was 
held at the Sorbonne, where a plaque was unveiled 
which bears an inscription recording the meeting 
between Pasteur and Lister in the Sorbonne on 
December 27, 1892. This tribute was arranged by 
the Association France-Grande Bretagne. A visit 
was paid by the President and the Minister of 
Education to Pasteur’s birthplace at Déle on May 26, 
M. and Mme. Vallery-Radot, descendants of Pasteur, 
have presented a bust of Pasteur, which was unveiled 
in the Galerie des Glaces at the Palace of Versailles 
on May 28, and the French President is to unveil 
the Pasteur monument at Strasbourg on May 31. 
A kinematograph film tracing the principal events 
in the life of Pasteur and giving a general idea of 
his scientific work was exhibited on May 24 to more 
than 3000 school-children in Paris, and considerable 
sums in aid of French laboratories have been collected 
by the sale of Pasteur badges in the streets. A new 
NO. 2796, VOL, 111] 
French 10-centimes postage stamp bearing the 
effigy of Pasteur engraved by Prud’homme has been 
issued to mark the occasion of the centenary. We 
hope to publish later an account of the celebrations 
by one of the British delegates. 
As recorded in our columns, the late Arthur William 
Bacot, entomologist to the Lister Institute of Pre- 
ventive Medicine, one of the most brilliant and 
‘original investigators in the field of medical ento- 
mology, lost his life a little more than a year ago in the 
course of an experimental inquiry into the réle of 
the louse in the transmission of typhus. Several of 
Mr. Bacot’s friends and colleagues have thought that 
some memorial of him ought to be established in the 
village where he resided and, before his appointment 
to the staff of the Lister Institute, carried out 
important medico-entomological researches. Mr. 
Bacot entered the ranks of specialist investigators 
from those of amateur naturalists and Nature 
students, and always attached the greatest import- 
ance to the teaching of Nature study in the elementary 
schools. His colleagues and friends believe that the 
