GENERA AND SPECIES OF BIRDS. 



139 



XIII. j^rutfoStema, Mercerat. 



(An. Soc. Argent, xliii. p. 237, 1897.) 



1. Jeffeittr, Mercerat, I. e. Patagonia (Miocene). 



2. nampeana, Mercerat, I. c. p. 238. Patagonia (Miocene). 



Sub-Family III. LARINJE. 



(Saunders, Cat. B. xxv. p. 161, 1896.) 



XIV. XEMA, Leach. 



(Saunders, t. c. p. 161.) 



1. sabinii (J. Sabine), (p. 162.) 



XV. CREAGRUS, Bp. 



(Xema, pt., Saunders, t. c. p. 161.) 

 2. fuxcatus (Mboux). (p. 165.) 



Arctic America and 

 E. Siberia, 



S. to Atlantic & Peru 

 (■winter) . 



Galapagos Is. to Peru. 



XVI. RHODOSTETHIA, Macgill. 



(Saunders, t. e. p. 167.) 



1. rosea (Macgill.) (p. 167.) 



XVII. LARUS, Linn. 



(Saunders, t. c. p. 169.) 



1. minutus, Pall. (p. 173.) 



2. ichthyaetus, Pall. (p. 176.) 



3. melanocephalus, Natt. (p. 180.) 



4. saundersi (Swinh). (p. 184.) 



5. Philadelphia ( Ord). (p. 185.) 



Arctic Regions. 



Sub-arctic & Temperate 



Europe & Asia. 

 Mediterranean Sea 



(winter). 



S.E. Europe, 

 E. Mediterranean. 

 Central Asia to Koko-nor. 

 Indian Peninsula (winter) 



Mediterranean Sea. 

 Coastsof W. Europe (occ). 



N.E. Asia (Oorea, 

 N. China, Mongolia, 

 Japan). 



N. America. 



