LIST OF PLATES. 



Page. 



Smithsonian Institution (Clark) : 



Plates 1^ 138 



Plates 5-8 140 



Plates 9,10 142 



Plates 11-14 148 



Plates 15-18 150 



Plates 19-22 152 



News from the Stars (Al)l)ot) : 



Plates 1,2 158 



Plates 3,4 160 



Plate 5 163 



Census of the Sky (Sampson) : 



Plates 1-6 192 



Gun Report Noise (Maxim) : 



Plates 1-7 198 



Sight in Birds (Lewis) : 



Plates 1-4 338 



Pirates of the Deep (Bartscli) : 



Plates 1, 2 348 



Plates 3, 4 350 



Plates 5, 6 352 



Plates 7, 8 354 



Plates 9, 10 356 



Plates 11, 12 358 



Plates 13, 14 360 



Plates 15, 16 368 



Plates 17, 18 372 



Plate 19 374 



Diatoms (Mann) : 



Plates 1-6 380 



Narcotic Plants (Safford) : 



Plates 1-17 424 



Page. 



Great Dragon (Holmes) : 



Plates 1, 2 448 



Plates 3, 4 450 



Plates 5, 6 452 



Plates 7, 8 454 



Plates 9, 10 456 



Mesa Verde Pueblo (Fewkes) : 



Plate 1 464 



Plates 2-5 466 



Plates 6-9 470 



Plates 10, 11 472 



Plates 12-15 476 



Earthwork Builders (Willoughby) : 



Plates 1-4 490 



Plates 5, 6 494 



Plates 7, 8 496 



Plates 9-12 498 



Plate 13 500 



Geographic Progress (Keltie) : 



Plates 1, 2 512 



Mine Safety Devices (Manning) : 



Plates 1, 2 538 



Plates 3, 4 540 



Plates 5, 6 542 



Plate 7 544 



Natural Waterways (Harts) : 



Plates 1, 2 552 



Plates 3, 4 554 



Plates 5, 6 558 



Plates 7, 8 562 



Plate 9 568 



Theodore N. Gill (Dall) : 



Plate 1 579 



vn 



