CONTENTS. 



VII 



Page. 

 The Processes of Life Revealed by the Microscope; a Plea for Physiological 



Histology, by Simon Henry Gage 381 



The General Conditions of Existence and Distribution of Marine Organisms, 



by John Murray 397 



The Biolog'c Relations Between Plants and Ants, by Dr. Heim 411 



Some Questions of Nomenclature, by Theodore Gill 457 



The War with the Microbes, by E. A. de Schweinitz 485- 



The Rarer Metals and their Alloys, by W. Chandler Roberts- Austen 497 



Preliminary Account of an Expedition to the Pueblo Ruins near Winslow, 



Arizona, in 1896, by J. Walter Fewkes 517 



Was Primitive Man a Modern Savage, by Talcott Williams 541 



Bows and Arrows in Central Brazil, by Hermann Meyer 549 



Account of the Work of the Service of Antiquities of Egypt and of the Egyp- 

 tian Institute during the Years 1892, 1893, and 1894, by J. De Morgan 591 



Report upon the Exhibit of the Smithsonian Institution and the United States 

 National Museum at the Cotton States and International Exposition, Atlanta, 



Ga., 1895, by G. Brown Goode 613 



Memorial of Dr. Joseph M. Toner, by Ainsworth R. Spofford 637 



William Bower Taylor, by William J. Rhees 645 



Joseph Prestwich, by H. B. Woodward 657 



Henry Brugsch, by G. Maspero 667 



A Biographical Sketch of John Adam Ryder, by Harrison Allen 673 



LIST OF ILLUSTRATIONS. 



Secretary's Report: Page. 



Hodgkins medal 10 



The Smithson Memorial Tablets. 16 



Map of Zoological Park 24 



Rustic bridge in Zoological Park. 62 



Rock work in Zoological Park.. 64 



Young elk in Zoological Park.. . 66 



Physical Phenomena of Upper 

 Atmosphere : 



Fig.l 127 



Figs.2,3 128 



Platel 132 



New Researches on Liquid Air: 



Plate II 136 



Plate III 138 



Plate IV 140 



Plate V 142 



Plate VI 144 



Plate VII 146 



Color Photography: 



Pigs.1,2 180 



Utilization oe Niagara : 



Plate VIII 224 



Plate IX 226 



Plate X 228 



Page. 



Processes of Life Revealed by 

 Microscope: 



Plate XI 384 



Plate XII 386 



Plates XIII, XIV 388 



Plate XV 390 



Plate XVI 394 



Biologic Relations of Plants 

 and Ants: 



Plate XVII 430 



Plate XVIII 432 



Plate XIX 434 



Plate XX 438 



Plate XXI 440 



Plato XXII 446 



Rarer Metals and their Alloys: 



Plate XXIII 502 



Plate XXIV 506 



Plate XXV 508 



Plate XXVI 512 



Pueblo Ruins near Winslow. 

 Arizona: 



Plate XXVII 519 



Plate XXVIII 523 



