AMERICAN WHITE PELICAN. 99 
layer composed of transverse, its outer of longitudinal fibres, and the 
greatest thickness of the walls of the proventriculus is about 43 
twelfths of an inch. The stomach, e, properly so called, is extremely 
small, being of a roundish, compressed form, 1} inches in length, and 
of the same breadth ; its muscular coat composed of slender fasciculi, 
and not presenting a distinction into lateral and inferior muscles, its 
inner coat smooth. Appended to it on the right side is a sac f, of a 
roundish form, 1,%, inch in length, and 14 in breadth, joming it by a 
contraction, of which the diameter is } inch, and opening directly into 
G2 
