GENERA AVI) Sl'Kl'IKS OK BIRDS. 



139 



XIII. ^sicuDodtrrna, Mercemt. 



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



1. lirgrnrr, Men-erat, I. c. Patagonia (Miocene). 



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



Sub-Family III. LARIN^. 

 (Saunders, Cat. B. xxv. p. IGl, 189G.) 



XIV. XEMA, Leach. 



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



1. sabinii (./. Sabine), (p. KW.) 



XV. CREAGRUS, Bp. 



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

 2. furcatus (Xcboux). (p. 165.) 



XVI. RHODOSTETHIA, Macjill. 



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



1. rosea {Macgill.) (p. 1(57.) 



XVII. LARUS, Z/inn. 



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

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



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



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



4. saundersi (5u>i;iA.). (p. 184.) 



>. Philadelphia ( Ord). (p. 185.) 



Arctic America and 

 E. Siberia, 



S. to Atlantic & Peru 

 (winter). 



■Galapagos Is. to Peru. 



Arctic BegioDS. 



Sub-arctic &, Temperate 



Europe iSc Asia. 

 Mediterranean Sea 



(winter). 



S.E. Europe, 

 £. Mediterranean. 

 Central Asia to Koko-nor. 

 Indian Peninsula {winter) 



Mediterranean Sea. 

 Coaatuof vV. Europe (occ.). 



N.E. Asia (Corea, 

 N. China, Mongolia, 

 Japan). 



N. America. 



