VIII 



CONIENTS. 



LIST OF ILLUSTRATIONS. 



Page. 



Map showing location of the Na- 

 tional Zoological Park 64 



Map of the National Zoological Park 65 



Physical Struofcure of the Earth : 



Fig.l 212 



History of the Niagara River : 



Plate I 2:Vi 



Plate II 238 



Plate III 240 



Plate IV 243 



Plate V 245 



Plate VI 248 



Plate VII 251 



Plate VIII 253 



Stanley and the Map of Africa : 



Map 1 278 



Map 2 279 



Quartz Fibers: 



Figs. 1,2,3 316 



Fig.4 317. 



Fig. 5 318 



Figs. 6, 7 319 



Fig.8 320 



Fig.9 321 



Physical Basis of Musical Harmony: 



Figs. 1,2 348 



Figs. 3, 4 349 



Fig. 5 : 351 



Fig. 6 353 



Fig. 7 354 



Page. 



Physical Basis of Musical Har- 

 mony — Continued. 



Fig.8 350 



Morphology of the Blood Corpus- 

 cles : 



Plate I 430 



The Age of Bronze in Egypt: 



Plate I , 516 



Plate II 518 



Plate III 520 



Plate IV 5>2 



Plate V 524 



Plate VI 526 



Progress of Anthropology in 1890 : 



Plates I, II 532 



Figs. 1,2 547 



Figs.3,4 548 



Figs. 5, 6, 7 549 



Fig.8 .... 550 



Plates 111,1V 550 



Primitive Uru Burial : 



Plates I, II 610 



Technology and Civilization : 



Figs.1,2 711 



The Ramsden Dividing Engine: 



Fig.l 724 



Plate I 732 



' Plate II 733 



Plate III 736 



