LIST OF PLATES. 



Secrktary's Report: Page. 



Plate 1 47 



Plate II - 49 



Platelll 88 



Plate IV.. 90 



Plate V 91 



PlateVI 92 



Plate VII 93 



Plate VIII 100 



Plate IX 101 



Plate X .. 102 



Plate XI-XII 103 



Plate XIII 104 



Plate XIV-XVIII 106 



Solar Eclipse (Langley): 



Plate I-IV 154 



Soj-AK Temperature, anj) Rain- 

 fall (Loekyer): 



Plate I-II 184 



The Pekin Ohservatory: 



Plate I-IV 186 



The Langlev Aerodrome: 



Plate 1 204 



Plate II-III 212 



Plate IV-VI 216 



The Zeppelin Air Ship: 



Plate T-VI 222 



The Use of Kites (Rotch): 



Plate I-III 232 



Liquid Hydrogen (Dewar): 



Plate I-IV 264 



Evolutional (tkology (Solla-^): 



Plato 1 314 



VIII 



Sound Waves (Wood) : Page. 



Plate I-II 364 



Plate III-VI 370 



Physico-Technical Institution 

 (Carhart): 

 Plate I-IV. 416 



(teographic Conquests (Gros- 

 venor): 

 Plate 1 420 



Through Africa (CTrogan): 



Plate I-IV 448 



Yermak Ice Breaker (Makaroff) : 



Plate I-III 458 



Extinct Animals (Lucas): 



Plate I-V 484 



Plate VI- VII 486 



Plate VIII 492 



Nature Pictures (Dugmore): 



Plate I-IV 508 



Plate V-X 512 



Plate XI-XVII 516 



Outlaw Beaver (Dugmore): 



Plate I-III 518 



Plate IV-VI 520 



Color Photography: 



Plate I (colored ) 526 



Discoveries in Mesopotamia ( De- 

 litzsch): 



Plate I-III 538 



Plate IV-VI 542 



Plate VII-X 550 



The New Spectrum (Langley): 



Map of spectrum (colored) 692 



