1892.] NATURAL SCIENCES OF PHILADELPHIA. 347 



stormy weather detained me eight days on this trip, and when I 

 returned I found that YerhoefF was missing. A vigorous and 

 systematic search was at once instituted and prosecuted by the 

 members of Professor Heilprin's and my own party, assisted by the 

 crew of the "Kite," and all the able-bodied male natives at Ked- 

 clifFe. The results of the search, the finding of minerals left by 

 Verhoefl'and his tracks leading to a great glacier where all further 

 trace of him was lost, are already familiar to the Academy. August 

 24th, the "Kite" left McCormick Bay, and September 23rd the 

 North Greenland Expedition had the pleasure of setting foot upon 

 native soil again in Philadelphia. 



The principal geographical results of the Expedition may be 

 briefly summarized as follows: 



The delineation of the unknown shores of Inglefield Gulf, and the 

 imperfectly known shores of Whale Sound. 



The delineation of the northern extension of the great Greenland 

 inland ice cap, and the determination of the northern limit of the 

 main Greenland land mass. The existence of detached ice-free land 

 masses of less extent to the northward. 



The rapid convergence of the Greenland shores above the 78th 

 parallel. 



The determination of the relief of an exceptionally large area of 

 the inland ice. 



The discovery of a large number of glaciers of the first magnitude. 



Geological results go hand in hand with the geographical ones, 

 and are comprised in the additions to our knowledge of the inland 

 ice, and the large series of views showing the physical characteristics 

 of the ice-free land, both in the north and about Whale Sound and 

 Inglefield Gulf These will, in due time, be placed in the hands of 

 the Academy. All this material bears directly on the problem of 

 the great ice age. 



In the field of ethnology, the expedition has had exceptional 

 opportunities and has obtained unique material. Dr. F. A. Cook, the 

 ethnologist of the expedition, has obtained a complete census of the 

 isolated little community of Smith's Sound Eskimos, with the rela- 

 tionships of every individual, and anthropometrical measurements 

 of seventy-five individuals. 



With Dr. Cook's assistance, I have photographed the same seventy- 

 five, and shall obtain complete sets, consisting of front, side, and 

 rear elevations of between fifty and sixty individuals of both sexes 



