Published in Journal für Ornithologie, in 1887, in volume 35, pages 274-285
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/33570416,60,60)
Published in Journal für Ornithologie, in 1902, in volume 50, pages 101-113
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32715770,60,60)
Published in Journal für Ornithologie, in 1885, in volume 33, pages 196-210
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32697577,60,60)
Published in Journal für Ornithologie, in 1894, in volume 42, pages 227-228
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32716626,60,60)
Published in Journal für Ornithologie, in 1886, in volume 34, pages 524-543
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32705017,60,60)
Published in Journal für Ornithologie, in 1888, in volume 36, pages 313-571
Created: 2014-09-04, modified: 2014-09-04