FORTH AMERICAN GULLS AND THEIR ALLIES. 7 



POMARINE JiEGER. Stcrcorarius pomarinus (Temminck). 



Range. — Both hemispheres, from the Arctic Islands south to 

 Australia, southern Africa, and Peru. 



Breeding range. — The rarest of the three jaegers is probably the 

 pomarine jasger, which breeds in North America from North Somerset 

 Island at Fury Point (Ross) and Upernivik on the west coast of 

 Greenland, latitude 73° (Hagerup), south to the northern coast 



Fig. 2. — Pomarine jseger (Stcrcorarius pomarinus). 



of Alaska, at Cape Lisburne (eggs in National Museum), and Point 

 Barrow (Stone) ; to the coast of Mackenzie at the mouth of the An- 

 derson River (MacFarlane), Cape Bathurst (Thayer), and Franklin 

 Bay (MacFarlane); Igloolik (Richardson), Exeter Sound on Baffin 

 Land (Kumlien), and on the west coast of Greenland, latitude 64° 

 (Hagerup). It has been noted north to Melville Island (Sabine), 

 and probably breeds there. It also breeds in the Arctic regions of 



