312 LA3IELL1K0«TKES. 



Mergus albellus^ 



Jlevf/us uViellus, Liunieus, ISyst. Nat. i. p. '2.()i) (1 TOi;) ; Dresser, B, 

 Eur. vi. p. 699, pis. 454, 455 (1874). 



The Smew. 



Hah. Northern Europe and Asia ; migrating southward in 

 winter. 



1511. Skull. 0. C. 1274. Presented ly Dr. Leach. 



1512. Hyoidean arch. 0. C. 1275. Presented hy Dr. Leacli. 



1513. Sternum, witli right sca})ula, coracoid, and furcula. S. S. 



866. Pui'cJiased. 



Suborder III. PALAMEDEjE. 



\_Cf. Scebohm, Classif. B. p. 32 ; Stejneger, Stand. Xat. Hist., Aves, 

 p. 1'6'6 ; Sharpe, lieview, p. 76.] 



A. Palate desmognathous. 



B. Xo uncinate processes to the ribs. 



C. Cervical vertebras more than 18 in number. 



D. Plumage of upper parts with no spinal bare tract. 



Family PALAMEDEIDtE. 

 Genus PALAMEDEA*. 



Linnfeus, Syst. 2s"at. i. p. 232 (1700), 



Palamedea cornuta. 



Palaiiiedca cornuta, Linnanis, Syst. Nat. i. p. 232 (1706); Scl. & 

 Salv. Nomeucl. Av. Neotrop. p. 128 (1873). 



The Horned Screamer. 



Ilah. Guiana and Amazonia. 



1514. Skeleton (up})er })art of brain-case removed ), mounted. 



I'lirc/ia^cd. 



1515. l\adius^ ulna, carpus, metacai'pus, and })balanges of right 



wing. 0. C. 1287. British Museum. 



* (/. Garrod, V. Z. S. 1870, p. 189 {Chauna dcrhiana). 



