CONTENTS. VII 



The Mind of Primitive IVIan, by Franz I'oas 451 



Traps of the American Indiana — A Study in Psychology and Invention, by 



Otis T. Mason 461 



The Abbott Collection from the Andaman Islands, by Lieut. W. E. Bafford, 



U. S. N ". 475 



The Development of Illumination, by Walter Hough 493 



Order of Development of the Primal Shaping Arts, by W. II. Holmes 501 



Boomerangs, by Gilbert T. Walker 515 



The Possible Improvement of the Human Breed under the Existing Conditions 



of Law and Sentiment, by Francis Galton 523 



The Fire Walk Ceremony in Tahiti, by S. P. Langley 539 



The Laws of Nature, by S. P. Langley 545 



The Children's Room in the Smithsonian Institution, by Albert Bigelow Paine. 553 



Salt and its Physiological Uses, by A. Dastre 561 



Santos-Dumont Circling the Eiffel Tower in an Air Ship, by Eugene P. Lyle, jr. 575 



Automobile Races, by Henri Fournier and others 593 



The Erection of the Gokteik Bridge, by Day Allen Willey 611 



The Great Alpine Tunnels, by Francis Fox 617 



The Mutation Theory of Professor De Vries, by Charles A. White 631 



The Dinosaurs, or Terrible Lizards, by F. A. Lucas 641 



The Greatest Flying Creature, by S. P. Langley, introducing a paper by F. A. 



Lucas on the (jrreat Pterodactyl Ornithostoma 649 



The Okapi; the newly discovered beast living in Central Africa, by Sir Harry 



H. Johnston 661 



Observations on Termites, or White Ants, by G. D. Haviland 667 



The Wanderings of the Water Buffalo 679 



On the Preservation of the Marine Animals of the Northwest Coast, by William 



H. Dall '. 683 



Some Private Zoos, by F. G. Aflalo 689 



The National Zoo at Washington, a study of its animals in relation to their 



natural environment, by Ernest Thompson Seton 697 



The Submarine Boat, by Rear-Admiral George W. Melville 717 



Commemoration of Prof. Henry A. Rowland, by T. C. Mendenhall 739 



