400 



LTTTLE OWL. 



intestine, efghk, is 13^ inches long, its width varying from 2^ 



twelfths to 1| twelfth. 

 The coeca, hii, are large, 1 

 inch 3 twelfths long, 24 

 twelfths in their greatest 

 width, and only \ twelfth 

 for 7 twelfths at the base. 

 The cloaca,/^, is extremely 

 large, globular, 10 twelfths 

 in diameter. 



The trachea is 2 inches 

 2 twelfths long, from 2 

 to 1^ twelfth in breadth, 

 much flattened ; its rings 

 firm but very slender, 45 

 in number, besides 7 di- 

 midiate rings at the bifur- 

 cation. The bronchi are 

 rather wide, and of about 

 12 half rings. The lateral 

 muscles are slender, as are 

 the sterno-tracheal, and a 

 very thin slip goes to the 

 first bronchial ring on each 

 side. 



