LIST OF PLATES. 
Page. 
Deflection of light (Dyson) : 
Plate 1 133 
Wireless telephony (Slaughter) : 
Plate 1 - 184 
Plates 2-4 188 
Plates 5, 6 190 
The "HD 4" (Nutting) : 
Plate 1 205 
Plates 2, 3 206 
Plates 4-9 208 
Cold and growth of plants 
(Coville) : 
Plates 1-7 282 
Plates 8, 9 284 
Plates 10-17 286 
Plates 38-27 290 
Flora of British Guiana (Hitch- 
cock) : 
Plates 1-12 306 
Milpa agriculture (Cook) : 
Plates 1-15 326 
Extinction of the mammoth 
(Neuville) : 
Plates 1-3 330 
Division of insects (Aldrich) : 
Plates 1-15 380 
Page. 
Seventeen-year locust ( Snod- 
grass) : 
Plate 1 381 
Plate 2 391 
Plate 3 392 
Plate 4 398 
Plate 5 402 
Cliff houses (Fewkes) : 
Plates 1, 2 422 
Plates 3-6 424 
Aboriginal Amei'icans (Holmes) : 
Plates 1-14 432 
Palestine (Montgomery) : 
Plate 1 438 
Plate 2 436 
Plate 3 440 
Manchuria (Sowerby) : 
Plates 1, 2 456 
Plates 3, 4 464 
Czechoslovak people (Matiegka) : 
Plate 1 471 
Plates 2-4 486 
Progress in reclamation (Bis- 
sell) : 
Plates 1-4 504 
Plates 5, 6 506 
Plates 7-10 510 
Richai'd Rathbun (Benjamin) : 
Plate 1 523 
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