596 



GREAT WHITE HERON. 



of moderate length and width, the former 11:^ 

 inches, the latter 3 twelfths, diminishing 

 to 1^ twelfth ; cceca, i i, 10 twelfths, ^ twelfth 

 in width for li inch, afterwards 1 twelfth, 

 their distance from the extremity Ij inch; 

 cloaca, j, ovate, 5 twelfths in width. Trachea 

 2 inches 7 twelfths long, much flattened, 

 1^ twelfth in width ; the rings 90, cartilagi- 

 nous. Bronchi wide, of about 15 half rings. 

 Lateral muscles rather strong ; a single pair 

 of inferior laryngeal. Female. 



GREAT WHITE HERON. 



Ardea occidentalis. 



PLATE CCLXXXI. Vol. III. p. 542. 



An adult male, received from Captain Napoleon Coste, of the 

 United States Revenue Cutter the Campbell. The width of the 

 mouth is 1;^ inch ; but the lower mandible is capable of being dilated 

 to 2| inches, by means of an articulation on each side, the palate as- 

 cending, convex, with two longitudinal ridges, anteriorly with two 



