70 
dominant and that the latency or dominancy is determined by 
two kinds of pollen-spores. It also seems probable that the 
chromosomes which have to do with the determination of sex are 
rmed differently than the ordinary ones. These papers were 
fully discussed by the various members present at the conference 
meeting. 
At the close of the regular programme Dr. N. L. Britton ex- 
hibited 2 a specimen of cotton heat hirsutum L.) collected 
in Jamaica. Also two specimens bromeliads were show 
which ie been associated in he: same genus but which are 
quite different in size and general appearance. 
FRED. J. SEAVER. 
NOTES, NEWS AND COMMENT. 
Dr. Marie C. Stopes, of the Manchester University, visited the 
Garden last month on her return to England from Japan. One 
ceous lignitic material from Kreischerville, Staten Island, upon 
which the recent investigations by Dr. Arthur Hollick and Dr. 
E. C. Jeffrey were based, which have —— considerable interest 
abroad, pierce in France and En 
win Memorial aes | 7 New York Academy 
of ae was held at the American Museum of Natural His- 
tory, February 12, the one hundredth anniversary of Darwin's 
birth. A bust of Darwin was presented to the museum by the 
academy, Mr. Charles F. Cox, president of the Academy, mak- 
ing the presentation address. ther addresses were made as 
follows: John James Stevenson, ‘ Darwin and Geology ”’; Na- 
thaniel Lord Britton, ‘‘ Darwin and Botany’’; Hermon Carey 
Bumpus, “ Darwin and Zoology. 
The Darwin Memorial Exhibition, consisting of letters, writ- 
ings and portraits of Charles Robert Darwin, and exhibits demon- 
strating various aspects of the process of evolution of the human 
species, of other animals and of plants, with special reference to 
the Darwinian Principle of Natural Selection, will continue until 
March 12 
” 
