[ 75 ] 



Colymbus, T.. 



=^m ±mm. M^t 



^m& 



Mb. 4h ?i 3l 



Cygnus, Beclist. 



nigricollis, Brehm. 



arcticiis, L. 



adamsi. Gray. 

 se|)temtrionalis, L. 



Family Laiiiellirostrc^ 



mnsicus, BecliM. 



Dendrocygna, Siv. 



^'i'i 



javanica, Horsf. 

 bewicki, Yarr. 



Anser, Briss. 



^'ff. Wim 



m M mVi in M ^m 



.&. 



segetum. Gm. 



b -> ;? h ^ 



albifroiis, Gm. 

 erytliropus, L. 



3 * IJ *' * 



