TABLE OF CONTENTS. 



Essential Characters of the Order Cantatores, and Observations 

 respecting the Digestive Organs of Land Birds, - 1 



PRACTICAL ORNITHOLOGY. FIFTH LESSON, - 9 



Suburban excursion. Notes on birds and other bipeds. Vital func- 

 tions of the former. Organs of respiration and voice- Lungs. 

 Air-cells distributed through the body. Changes operated on the 

 blood by respiration. Trachea and bronchi. 



Respiratory and vocal organs of the Rook and Blackbird described in 

 detail. Larynx and its muscles. Syrinx, its structure and muscles. 



Trachea of the Brown Linnet, Brown Ptarmigan, Wood ^Pigeon, and 

 Parrot. 



Tube of the trachea, its rings, and the mechanism by which they are 

 made to slip behind each other. 



ORDER V. CANTATORES. SONGSTERS. 

 Characters of the Cantatores, - - - 39 



FAMILY I. MYRMOTHERINiE. ANTCATCHERS, AND ALLIED 



SPECIES, - - - - 45 



Synopsis of the British Genera and Sj)ecies of MyrmotherinEe, 47 



Genus I. Cinclus. Dipper, - - 48 



1. Cinclus europasus. The European Dipper, - 50 



FAMILY 11. TURDIN^. THRUSHES AND ALLIED SPECIES, 66 



Synopsis of the British Genera and Species of Turdinse, 69 



Genus I. Oriolus. Oriole, - - - 71 



1. Oriolus Galbula. Golden Oriole, - 73 



