368 M. OGAWA. 



Suborder LARI. 



Family I<AKI1XX:. 



Subfamily Stercorariinw. 



218. Stercorarius pomahnus (Temm.) .......... Tdsoku-kamovu\ 



Stercorarius pomatorhinus (Temm.) ? 

 Lestris pomarinus Temm. 



Tokio Bay, Owari. 



219. Stercorarius parasiticus (Linn.) .......... Shirohara-tdzokuka- 



Stercorarius longicaudus Vieillot. 



buffoni (Boie). 



Lestris buffoni Boie. 

 crepidata Gmel. 



Kurile Islands. 

 220. Stercorarius richardsoni (Swainson) ....... Kuro-tdzokukamoine. 



Lestris richardsoni Swainson. 



Kurile Islands. 



Subfamily i 



221. Larus ridibundus Linn ...................... Ynrikamomc. 



Larus capistratus Temm. 



Hokkaido, Yokohama, Nagasaki, Tokio, 

 Suruga. 



222. Larus saundersi (Swinhce) ................... Zuguro-kamome. 



Chroicocephalus saundersi Swinhce. 

 Larus schimperi Schlegel. 

 Gavia kittlitzii Swinhce. 

 Xerna kittlitzii David. 

 Chroicocephalus kittlitzii Swinhce. 

 Hokkaido. 



