76 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I3I 



Suborder LARI : Skuas, Gulls, Terns, and Skimmers 



Family STERCORARIIDAE: Jaegers and Skuas 



Genus STERCORARIUS Brisson 



Stcrcorarius Brisson, Orn., 1760, vol. i, p. 56; vol. 6, p. 149. Type, by tau- 

 tonymy, Stercorarius Brisson = Larus parasiticus Linnaeus. 



Stercorarius shufeldti Howard 



Stcrcorarius shufeldti H. Howard, Carnegie Inst. Washington Publ. 551, 

 Jan. 25, 1946, p. 184, pi. 2, figs. I, 2. 



Late Pleistocene : Fossil Lake, Oregon.' 



Family LARIDAE: Gulls and Terns 



Subfamily LARINAE: Gulls 



Genus LARUS Linnaeus '' 



Larus Linnaeus, Syst. Nat., ed. 10, vol. i, 1758, p. 136. Type, by subsequent 

 designation, Lams marinus Linnaeus (Selby, 1840). 



Larus glaucescens Naumann: Glaucous-winged Gull 

 Larus glaucescens Naumann, Naturg. Vogel Deutschl., vol. 10, 1840, p. 351. 



Modern form reported from late Pleistocene (Palos Verdes for- 

 mation) : San Pedro, Los Angeles County, California. 



Larus calif ornicus Lawrence : California Gull 

 Larus Californicus Lawrence, Ann. Lye. Nat. Hist. New York, vol. 6, 1854, 



p. 79- 

 Modern form reported from late Pleistocene : Fossil Lake, Oregon. 



Larus Philadelphia (Ord) : Bonaparte's Gull 

 Sterna Philadelphia Ord, in Guthrie, Geogr., 2d Amer. ed., 1815, p. 319. 



Modern form reported from late Pleistocene : Fossil Lake, Oregon.^ 



Larus oregonus Shufeldt 

 Larus oregonus Shufeldt, Amer. Nat., vol. 25, No. 297, September 1891, 

 p. 820. 



Late Pleistocene: Fossil Lake, Oregon. 



3 The type of Stcrcorarius shufeldti originally was identified by Shufeldt as 

 Larus argentatus, this specimen being the basis for the record of the herring 

 gull from Fossil Lake. 



•* Larus vcro Shufeldt, Journ. Geol., January-February 1917, p. 18, has been 

 identified by Wetmore as Nycianassa znolacca Linnaeus (Smithsonian Misc. Coll., 

 vol. 85, No. 2, Apr. 13, 1931, p. 16). 



5 Records of Xema sabiui from Fossil Lake, so far as identified, refer to Larus 

 Philadelphia. 



