Contributions of the anatomy of picarian birds—Part II. A note upon the pterolysis of the barbets and toucans . Proceedings of the Zoological Society of London ( 1896 ): 555 – 557 .Beddard, F. E. 1896e . Contributions to the anatomy of picarian birds—Part III. On some points ...
Part II. A note upon the pterylosis of the barbets and toucans. Proceedings of the Zoological Society of London 1896: 555 – 557 .BEDDARD, F. E. , 1896 . Contributions of the anatomy of picarian birds—Part II. A note upon the pterolysis of the barbets and toucans . Proceedings...