LIST OF PLATES 



Secretary's Report: rage 



Plates 1, 2 44 



Plates 3-6 70 



Plate? 102 



Eclipse expeditions (Mitchell): 



Plates 1-9 168 



The thunderstorm (Evans and McEachron): 



Plates 1, 2 204 



Photography by polarized light (McFarlane): 



Plates 1-6 234 



Measuring geologic time (Lane): 



Plates 1, 2 254 



Earth's interior (Adams) : 



Plates 1, 2 268 



Ancient American lake (Bradley): 



Plates 1-4 290 



First crossing of Antarctica (Ellsworth) : 



Plates 1-9 322 



Moving photomicrography (Kazeeff ) : 



Plates 1-12 338 



Fresh-water fishes (Myers): 



Plates 1-3 364 



Salmon and trout (Schultz) : 



Plates 1-5 376 



Entomology (Strong): 



Plates 1-16 384 



Maize (Kempton): 



Plates 1-30 408 



Modern medicine (Alvarez): 



Plate 1 430 



Chanhu-daro (Mackay): 



Plates 1-10 478 



Ras Shamra (Harris): 



Plates 1-4 502 



Traction plow (Bishop): 



Plates 1-4 548 



Cotton gin (Lewton): 



Plates 1-4 564 



World's longest bridge (Paine): 



Plates 1-4 572 



vn 



