36 Timothy S. Young and Joshua Laerm 



USNM209927, 209946; left ulna, USNM209926, 209940, 209945; left 

 humerus, USNM209928, 209930, 209932, 209933; right humerus, 

 USNM209941; radius, USNM209929, 209936; scapula, USNM209942, 

 209943; proximal tibia, USNM209935; right coracoid, USNM20992; 

 right femur, USNM209925; right tarsometatarsus, USNM209937. 



Remarks — The species is common today in freshwater woodland 

 rivers, ponds, and marshes (Sprunt 1954). 



Anas sp. indet. 

 Material— Right ulna, UGAMNH2078. 



Anas acuta Linnaeus 

 North Pintail 

 Material— Left coracoid, USNM209965. 



Remarks — The pintail is associated with freshwater marshes, 

 ponds, and lakes (Sprunt 1954). 



Anas americana Gmelin 



American Wigeon 



Material— Left humerus, USNM210270; left ulna, USNM210267, 



210273; right scapula, USNM210278; scapula USNM210272, 210274; 



right coracoid, USNM210268, 210275, 210276; right ulna, USNM210277; 



phalanx 1 of digit II, USNM210269; radius, USNM210271. 



Remarks — This species is an inhabitant of freshwater marshes, 

 ponds, and shallow lakes (Sprunt 1954). 



Anas discors Linnaeus 

 Blue-winged Teal 



Material— Left carpometacarpus, USNM209865, 209866, 209872- 

 209874; right carpometacarpus, USNM209870, 209871; right humerus, 

 USNM209869; right coracoid, USNM209868; left ulna, USNM209864. 



Remarks — Sprunt (1954) reports the species from freshwater ponds 

 and lakes. 



Anas platyrhynchos Linnaeus 

 Mallard 



Material— Left humerus, USNM209910, 209911, 209914; right 

 humerus, USNM209913, 209918; right scapula, USNM209916; left scapula, 

 USNM209917; left coracoid, USNM209919; right coracoid, USNM209912; 

 right carpometacarpus, USNM209920; furcula, 



USNM209915. 



