119 



Anas Americana, American Widgeon. 



Inches. 



Measures in length, 20 ^ 



'* extent, 34 J- 



Tip of bill to nostril, 1 f 



Opening of nostril in 



length, i 



(Esophagus to proventri 



cuius, 

 Proventriculus, 



Gizzard, length, 



" width across 



tendons, 

 " perpendicular 

 to tendons. 

 Muscular walls of two 

 sides through. 



8 



21 



H 



ItV 



Contained eel grass, grav- 

 el, &c., a considerable 

 quantity. 



Intestines, from gizzard 

 to anus, 63 



Liver, right lobe, long, 

 " " " across, 

 " left " long, 

 " " " across. 



Heart, length, 

 " width. 



Trachea, to bifurcation 

 of bronchi. 



Bronchi, 



Bony box, at lower lar- 

 ynx, length. 



Diameter, (much largest 

 on right side,) 



Testicles, length, 



" width, y3^ 



Kidneys, length, 2 ^ 



Left caecum, length, 8 



Right " " 7 1 



Cceca enter intestine at 4 

 from vent. 



Anas penelope, European Widgeon. 



Inches. 



20 1 

 33 

 1^ 



A 



2 

 1 

 1.^ 



3 



9" 



7f 

 1| 



If 



52 



^ thick covered on inside 

 with openings of fol- 

 licles. 



of right side, 

 of left side. 



A small quantity of sand, 

 gravel and eggs of fish 

 or insects. 



Much injured, does not 

 appear large, gall blad- 

 der full, 1^ in. long, 

 |- wide. 



1 nearly round, and 

 f equal nearly on both sides. 



A 



Not measured. 



