48 Mr. W. Eagle Clarke — Ornithological 



Larus tridactylus. 



Whale's Point Harbour. May 29th to June 7th : Kittiwakes 

 seeking breeding-places (p. 243). August 18th to 21st: 

 observed in thousands (p. 246) . 



King Ludwig Islands. June 12th to 14th : abundant 

 (p. 216). 



Ryk-Ys Islands. July 30th: many breeding colonies 

 (p. 248). 



King Charles Islands. Many seen on the coast on August 

 12th. Probably breeds on the islands * (p. 250). 



Barents Island. Observed moving south on the night of 

 August 5th-6th^ along with Lestris pomarina and L. para- 

 sitica (p. 250). 



Olga Straits. Abundant in small flocks during June and 

 July (p. 251). 



Larus eburneus. 



Whale's Point Harbour. The Ivory Gull was occasionally 

 observed between May 20th and June 7th; and a single 

 example only seen between August 18th and 21st (pp. 244 

 & 246). 



King Lndwig Islands. Seen in numbers^ but not breeding, 

 June 12th to 14th (p. 247). 



Ryk-Ys Islands. Common, but not breeding, July 30th 

 (p. 249). 



King Charles Islands. One observed (p. 250). 



Barents Island. One seen between August 5th and 6th 

 (p. 250). 



Olga Straits. Observed in great numbers on the edge of 

 the ice (251). 



[At Cape Weissenfels, Swedish Foreland, Mr. Pike, in 

 August 1897, observed the Ivory Gull breeding along with 

 Kittiwakes and Mandt^s Guillemots (Geogr. Journ. xi. 

 p. 368).— W. E. C] 



* Mr. Pike found it breeding at Cape Weissenfels, Swedish Foreland, 

 along with Ivory Gulls and Mandt's Guillemots, in August 1897 (Geogr. 

 Journ. xi. p. 368). 



