294 STRUCTURE AND CLASSIFICATION OF BIRDS 



Name of Bird 



I Small Intest. j Large Intest. 



Penelope oujubi . 



„ oujubi . 



„ pileata . 



„ jacucaca 

 Pipile jaoutinga . 

 „ cumanensis 

 Aburria carunoulata 

 Ortalis albiventris 

 Talegalla Lathami 

 Megacephalon maleo 



Oseca 



24 

 72 



51 



Inches 

 3 



2-5 

 3-5 

 2-75 

 4 

 4 

 4 



2-5 

 5 

 5-5 



anterior end of the sternum and from fibrous septum between 

 it and the pessular process ; these muscles run up the sides 

 of the trachea, reaching further than the sterno-tracheales. 



Where the trachea is convoluted it sometimes happens 

 that the extrinsic muscles are quite abnormal in their attach- 

 ments ; thus in the males of Penelope pileata and Ortalis 

 albiventris the muscles in question do not enter the thoracic 



Fig. 143. — Syeinx of Favo spicifer. 

 Feont View. (Aftee Gaekod.) 



#^4 



Fig. 144. — Syeinx of Same. Back 

 View. (Aftee Gakeod. 



cavity, but pass close to the carina sterni and are inserted 

 at the very end of the sternum. 



The syrinx of gallinaceous birds has been chiefly studied 

 by Gaeeod.' From his paper the following account of this 



' 'On the Conformation of the Thoraoio Extremity of the Trachea in the 

 Class Aves. Pt. 1. The Gallinse.' P. Z. S. 1879. V. 354. 



