EXPLANATION OF PLATE 7 



Lamps of Greenland. 



Fig. 



1. Outline, section, and front view. 



(Cat.No. 504, U.S.^^M. Greenland. Collected by Dr. 1. 1. Hayes.) 

 Fig. 2. Same of lamp with bridge. 



(Cat. No. 4584G, U.S.N. M. Greenland. Royal Mu.se u in, Copenhagen.) 

 Fig. 3. Lamp with bridge found by Gen. A. W. Greely at Cape Baird. 

 of International Polar Meteorological Observations. 



Fig. 4. Lamp with bridge. 



(Cat. No. 45847, F.SN.M. Greenland. Royal Museum, Copenhagen.) 



From Eepon 



