Plate 45 



Upper : Barnacle goose on its nest, 1,200 feet above the bed of the valley, 

 Spitsbergen, June, 1922. 



Lower : Same nest as above. Both photographs taken by Mr. W. M. Con- 

 greve, purchased from the Oxford University Expedition to Spitsbergen and 

 referred to on page 260. 

 356 



