EXPLANATION OF PLATES. 



751 



PLATE XXI. Digestive Organs of Hawks and Owls. 

 Beduced. 



Fig. 1. Proveyitriculm, Stomach, and 

 Intestine of the Osprey, Pandion 

 Haliaetus . 



a, li, c, proventriculus. 



c, d, stomach. 



^^> ^> ft 9f ^» 'i ^1 intestine, extremely 



narrow, and elongated. 

 i, j, cloaca. 

 k, bursa Fabricii. 

 /, /, ureters. 



Fig. 2. Proventriculus, Stomach, and In- 

 testine of the Kite, Milvus regalis. 



a, b, c, proventriculus. 

 c, d, stomach. 

 '^i ^<f< U) ^i hji intestine. 

 i,j, cloaca. 



Fig. 3, Digestive Organs of the Hen 



Harrier, Circus cyaneus. 

 a, b, c, d, oesophagus, the crop, b c, ex- 

 tremely large, 



d, e, proventriculus. 



e, stomach. 



«)/» Ihj, intestine, very short. 



/, ureters. 



k, bursa Fabricii. 



Fig. 4. Digestive Organs of the Great 

 Eagle-Oivl, Bubo maximus. 



a, b, c, oesophagus, destitute of dilata- 

 tion, or crop. 



d, e,f, duodenum. 



cfy e, f, 9, j, intestine, rather short and 

 narrow. 



Fig. 5. Cceca of Eagle-Owl. 

 a, b, part of intestine. 

 c d, c d, cceca. 



PLATE XXIL Digestive Organs of Shrikes, Flycatchers, 

 Chatterers, Swallows, Swifts, Goatsuckers, and Kingfishers, 

 Half size. 



Fig. 1. Digestive Organs of the Cinereous 

 Shrike, Lanius Excuhitor. 



a, tongue. 



b, c, d, oesophagus. 

 d, p, stomach. 



f, g, h, duodenum. 



f, g, h, i,j, k, I, intestine. 



_;, coeca. 



m, n, trachea. 



0, 0, bronchi. 



p, J), steriio-tracheales. 



V, inferior larynx. 



Fig. 2. Digestive Organs of the Greg 

 Flycatcher, Muscicajui Grisola. 



a, tongue. 



b, c, d, oesophagus. 

 P)/) ff) ^t intestine. 

 h, coeca. 



Fig. 3. Digestive Organs of the Waxwing, 

 Bombycilla garrida. 



a, b, c, d, oesophagus, widely dilated 



from b to c, 

 d, stomach. 



«>/> 9) ft, j, intestine, short and wide. 

 h, coeca. 



Fig. 4. Digestive Organs of the Chimney 

 Swallow, Hirvndo rustica. 



a, bill. 



b, c, d, oesophagus. 



