x6 BIRDS OF THE / lAll'AI f.-lX (.ROLT. 



Order ANSERES.— Lamellirostral Swimmers. 



Faiuilv. 

 Only one family. Chara6lers same as for the order. . . .(Page i6.) Anatidae. 



Family ANATID^.— Ducks, Geese, Etc. 

 Gen era. 

 a. Tarsus shorter tlian middle toe with claw. 



b. No trace of teeth ( lamellse) along the side of lower mandible; distinct 

 tooth serrations along the npper edge ( Sub-family y]/r;;^/;/ir); culmen shorter than 



tarsus; bill narrow and peculiar (Page 17.) Merganser. 



bb. A verj' distinct row of teeth along the side of the lower mandible, in 

 addition to the series along the upper edge. ( Sub-family Aiiaf/iiw. ) 



C. Hind toe i/arroiciv lobed; neck shorter than the body; a colored 

 speculum on the wing. 



d. Bill not spaliilate ( upper wing coverts not blue, more usuall}- 

 dark grey; ) tail feathers rather narrow and pointed at the tips. 



e. Tail moderate with the centre pair of feathers not ver}' 

 long and tail graduated for less than one-third its total length ; bill rather broad and 



aboiit the length of the head (Page 17.) AnaS. 



ee. Tail long, with the central pair of feathers very long and 

 pointed; culmen longer than the middle toe (speculum broader than the light band at 



the tip of the secondaries) (Page 18.) Dafila. 



dd. Bill spatulate, /. r., broad at the end and narrower at the base; 

 upper wing coverts blue (no soft membrane on the sides of the bill towards the tip). 



(Page 18.) Spatula. 



CC. Hind toe ii'itli a broad nienibianous lobe (Sub-family Fiiligiilina^)\ 

 feathers on the lores not reaching beyond posterior border of nostrils; graduation of 

 the tail much more than the length of the bill from the nostrils; distance from anterior 

 end of nostrils to tip of bill much greater than the same place to loral feathers. 



(Page 18.) Charitonet'ta. 

 aa. Tarsus equal to or longer than the middle toe without the claw ; neck mod- 

 erately long, no cere on the bill. (Sub-family Anserince.) 



f. Serrations on the entting edge of upper mandible risible 

 pom the outside for the greater portion of the length of the tomium; bill very stout, 

 its depth through the base more than equal to the length of the culmen ; color of adult 



either w-hite or bluish with black primaries (Page 19.) Chen. 



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