ANATIME.] 



28 



GENUS III. DENDROCYGNA. 



Ext. Char. Pedes digitis posterioribus longis, non lobatis unguibus longis armata?. 

 Tarsi robusti et longi. Rostrum mediocre validum altius-quam latum. Nares ovales magna; 

 prope culmen in medio rostri positse. Lamella abbreviate. Cauda flexilis rotundata. Alts 

 remigibus primariis magna incisum in medio parte. 



Anat. Char. Ignoti. 



Ext. Char. Feet with the posterior toes long, not lobated, and with long claws. Tarsi 

 robust and long. Bill moderate strong, higher than broad. Nostrils placed near the culmen in 

 the middle of the bill. Lamella: abbreviated. Tail flexible, rounded. Primaries with a deep 

 notch in the middle. 



Anat. Char. Unknown. 



Anas. Linn. 



Dendrocygna. Swainson. 



Type. Dendrocygna arcuata. 



This genus will be easily recognized by the great length of the tarsi, and at the same time 

 rounded form of the tail. Anas arcuata, Hors. or Anas viduaia, Linn, may be considered as 

 typical species. 



Affinities. The genus appears to form a beautiful connecting link between the true fresh- 

 water ducks and the foregoing genus. 



