IV ANNUAL REPORT SMITHSONIAN INSTITUTION, 1950 



Page 



Food shortages and the sea, by Daniel Merriman 373 



Economic uses of lichens, by George A. Llano 385 



The origin and antiquity of the Eskimo, by Henry B. Collins 423 



Archeology and ecology on the Arctic slope of Alaska, by Ralph S. Solecki. 469 

 Samuel Seymour: Pioneer artist of the Plains and the Rockies, by John 



Francis McDermott 497 



LIST OF PLATES 



Secretary's report, Plates 1, 2 42 



Beyond the Milky Way (Page): Plates 1-4 166 



Luminous surface and atmosphere of the sun (Lindblad): Plates 1-3 182 



Composition of our universe (Brown): Plate 1 198 



Wright Brothers as aeronautical engineers (Baker): Plates 1-9 214 



Electroencephalography (Walter) : Plate 1 246 



Permafrost (Black): Plates 1-12 278 



Earthquakes in North America (Gutenberg): Plate 1 310 



Wolf Creek meteorite crater (Guppy and Matheson): Plates 1, 2 326 



Praying mantids of the United States (Gurney): Plates 1-9 358 



Man's disorder of nature's design (Albertson): Plates 1-4 366 



Food shortages and the sea ( Merriman) : Plates 1, 2 374 



Economic uses of lichens (Llano) : Plates 1-8 422 



Origin and antiquity of the Eskimo (Collins): Plates 1-4 . 438 



Archeology and ecology of the Arctic slope of Alaska (Solecki) : Plates 1-6- 486 



Samuel Seymour (McDermott): Plates 1-16 502 



