FRIGATE PELICAN. 



635 



The walls of the oeso- 

 phagus are of moderate 

 thickness, the external 

 transverse fibres dis- 

 tinct, the inner coat 

 longitudinally plaited. 

 The stomach differs from 

 that of all the other Pe- 

 lecaninoB in having no py- 

 loric lobe. The duode- 

 num also, def, does not 

 at first pass forward, but 

 directly curves round the 

 stomach, retvirningat the 

 distance of 21 inches, 

 and the intestine, defg 

 h i, is convoluted with 9 

 folds. It is 36 inches 

 long, 5 twelfths wide in 

 the duodenal portion, 

 contracts to 3 twelfths ; 

 the cceca are two small 

 knobs 2 twelfths long, 

 1^ twelfth in breadth ; 

 the rectum 3 inches 

 long, for 1 inch 8 twelfths 

 its width is 3| twelfths, 

 the remaining part form- 

 ing a globular cloaca 1^ 

 inch in diameter. 



The trachea is 8| 

 inches long, its width 

 at the commencement 

 4? twelfths, presently 

 after 4 twelfths, con-, 

 tracting to 3f twelfths. 

 It is a little flattened : 



