THE POPULAR SCIENCE MONTHLY 



309 



Goose Island. 



temporary observatory in Argentina 

 have been completed. The non-mag- 

 netic ship Carnegie has traversed 

 some 25,000 miles, measuring magnetic 

 declination at 252 different points. 

 The Geophysical Laboratory has con- 

 tinued its work on the chemical and 

 physical problems presented by the ma- 

 terials of the earth's crust. To the 

 work in astronomy and geophysics the 

 institution devotes considerably more 

 than half its resources. 



The nutrition laboratory and three 



departments devoted to the biological 

 sciences each receive appropriations of 

 somewhat over $30,000. The Desert 

 Botanical Laboratory has found an in- 

 teresting problem in the results follow- 

 ing the drying up of the Salton Sea, 

 and has carried on researches on the 

 effects on plants of altitude, dry- 

 ness and other factors. The De- 

 partment of Marine Biology has con- 

 structed a yacht, named in honor of the 

 founder of the Naples Botanical Sta- 

 tion, which enables it to carry on work 



Scene at the Desert Laboratory. 



