1914 • BIRDS OF ARIZONA 13 



25. Dafila acuta (Linnaeus). 



Pintail. 

 Status — Has been reported as a migrant from various parts of the state. It 

 was found on Mormon Lake, in the Alogollon Mountains, in A (ay, by Ivlearns. 

 Seen on the San Pedro River in February, so is |)robal)ly a winter visitant in 

 southern Arizona ( Willard. icjioc, p. no). 



26. Marila amehcana ( 1\\ ton ) . 



Rkdhead. 



Synon}-m — .-lyfliya aincricaiia. 



Status — The only record of the occnu'rence of '.his species in Arizona is that 

 by Scott (1886, p. 384), who reported it as occurring- in winter in the vicinity 

 of Tucson and on the San Pedro River. 



27. Marila valisineria (Wilson). 



Cax\-.\s-hack. 



Synonym — Aythya vallisncria. 



Status- — Scott (1886, p. 384) records a small Hock seen on the San Pedro 

 River, January 28, 1886, while Coues (1892a, p. 198) reports it as occurring- hi 

 large numbers on the \^erde River near Fort \\'hi])ple, in winter. These are the 

 only records for the state. 



28. Marila marila (Linnaeus). 



Greater Scaup Duck. 

 Synonym — Aythya marila ncarctica. 



Status — Known only from the record by Scott ( 1886, p. 384), who speaks of 

 it as "rather common on the San Pedro in winter." 



29. Marila affinis (Eyton). 



Lesser Scaup Duck. 



SynouA-m — Aythya afHn is. 



Status— A record by Scott ( 1886, |). 384) of "a few seen on the San Pedro 

 during late lanuarv." Common near Tucson in March, 1912 ( Sloanaker. \\)\},, 

 p. 195). Observed on the Colorado River, near Ehrenberg, ^Starch 24, and at 

 Cibola, A])ril 4, i()io ( Mus. \'ert. Zool.). 



30. Clang'ula clang'ula americana I'onaparte. 



American Golden-eve. 

 Status — Only one record, that of two specimens taken near Tucson, Ai)ril 1 

 and February i, respectively (Sloanaker, 1912, p. 154). 



3 1 . Charitonetta albeola ( Linnaeus ) . 



BUFFLE-HEAD. 



Svnonyms — Chvii^^ula albeola; Bucephala albeola. 



Status — While apparently not common, this species has been reported in 

 winter from various scattered localities in all parts of the state (Tucson, San 

 Pedro River, Bill Williams River, etc.). 



