152 
Miss W. J. Robinson, instructor in biology in Vassar College 
and Miss M. M. Brackett have gone to the Cinchona Laboratory 
of the garden to carry out some embryological investigations. 
Mr. G. W. Collins, of the U. : Department of Agriculture, and 
Mr. Wm. R. Maxon, of the U. S. National Museum, and Mr, 
Louis Agassiz Fuertes, of Ithaca, New York, have also recently 
carried out certain studies at Cinchona. 
Professor E. Mead Wilcox spent a month at the garden during 
June and July, in the furtherance of some work upon the castor 
oil plant. 
Dr, H. H. Rusby, of the Board of Managers, sailed for Europe 
on June 25. He will spend three months in the herbarium at 
Kew, in the study of 2,000 undetermined specimens from U. $ 
of Columbia collected by Herbert A. Smith, and of some material 
from Bolivia secured by Mr. R. S. William 
Dr. J. N. Rose, of the U. S. National oiiseeond visited the 
garden during the second week in June for the purpose of con- 
sulting with Dr. Britton concerning codperative researches on 
the Crassulaceae and Cactaceae. 
ofessor Howard J. Banker, of the Southwestern Normal 
College of Pennsylvania has recently been elected eage of 
biology in DePauw University at Greencastle, Indi 
fessor Banker was a student in the Garden in ee goo, and is 
spending the present summer in the laboratories preparatory to 
taking up his newly assumed duties. 
The total po in the Garden during June, 1904, 
amounted to 2.6 inches. Maximum temperatures of 88° on the 
fourth and sixth, — on the sixteenth, and 95° on the twenty- 
sixth were recorded: also minima of 52° on the second, 44° on 
the eleventh, 45° on the fifteenth, and 55° on the twenty-fourth. 
The temperature of the soil at a depth of 3 inches (7.5 cm.) 
ranged from 50.5° to 79°. The temperature at a depth of a foot 
(30 cm.) varied from 60° on the first to 67° on the sixth, 61° on 
the eleventh, and 71° on the twenty-sixth, the last named tem- 
perature occurring during the period when the air rose to 95° F. 
