LIST OF PLATES 



Page 

 Secretary's Report : 



Plate 1 26 



Polar Year Expedition (Stagg) : 



Plates 1, 2 118 



Hydrogen trio (Taylor) : 



Plates 1-3 128 



Bromine from sea water (Stewart) : 



Plates 1-7 168 



Birds of Ceylon (Wood) : 



Plates 1-5 256 



Arctic butterflies (Clark) : 



Plates 1-7 296 



Grasses (Hitchcock) : 



Plates 1-8 312 



Phototropism (Johnston) : 



Plates 1, 2 324 



Highway travel (Mitman) : 



Plates 1-12 346 



Via Appia (Rose) : 



Plates 1-4 370 



Archeological projects (Stirling) : 



Plates 1-10 400 



Indian cultures of South America (Krieger) : 



Plates 1-12 440 



VII 



