﻿CONTENTS 



PAGE 



Introduction i 



Ficld-Work in Astrophysics (Dr. Charles G. Abliot) i 



Smithsonian-Chrysler Expedition to Africa to Collect Living Animals 



(Dr. W. M. Mann) lO 



\'isits to the Serpentine District of Southern Kngland and the Gem-Cutting 



Town of Oberstein, Germany ( Dr. George P. Merrill ) 21 



Explorations for Microfossils in France and German_v (Dr. R. .S. Rassler) 29 



Geological Field- Work in the Rocky [Mountains (l^r. Charles F. Resser) 36 



Geological Field- Work in New York and Ontario (Mr. Erwin R. Pohl) . . 40 



Collecting Fossil Footprints in the Grand Canyon, Arizona (Mr. Charles 



W. Gilmore) 45 



An Elephant Hunt in Florida (Dr. James W. Gidley) 48 



Collecting Minerals in Mexico ( Dr. W. F. Foshag) 51 



The Canfield Mineralogical Collection (Mr. E. V. Shannon) 57 



The Roebling Mineralogical Collection (Dr. W. F. Foshag) 58 



Biological Collecting in Sumatra (Lieut. Henry C. Kellers) 59 



Biological Field- Work in Florida (Dr. Gerrit S. ?^liller, Jr.) 67 



Visit to a California Whaling Station (Mr. A. Brazier Howell) 71 



Explorations in Siam (Dr. Hugh M. Smith) 79 



Breeding Experiments with Cerions (Dr. Paul Bartsch) 80 



Study of the Crustaceans of South America ( Dr. Waldo L. Schmitt) 8g 



Investigation of the Amphipoda of the Tortugas (Mr. Clarence R. Shoe- 

 maker ) 93 



Entomological Trip to Guatemala ( Dr. J. ]\I. .Aldrich) 94 



Collecting and Rearing Fruit Flies in Panama ( Mr. Chas. T. Greene) ... 98 



Exploring for Ferns in the Blue Mountains of Jamaica (Dr. William R. 



Maxon) 100 



Botanical Field-Work in Panama and Costa Rica (Mr. Paul C. Standley) . . iii 



Botanical Exploration in Northern Haiti (Mr. E. C. Leonard) 118 



Archeological Survey of the Feng River Valley, Southern Shansi, China 



(Dr. Chi Li) 123 



Anthropological Work in Alaska ( Dr. Ale.s Hrdlicka) 137 



Archeological Investigations in Chaco Canyon, New Mexico (Mr. Neil M. 



Judd) 158 



Investigating Evidence of Early Man in Florida (Dr. James W. Gidley). 168 



Archeological and Ethnological Studies in Southeast Alaska (Mr. H. W. 



Krieger) 174 



iii 



