Published in Annals And Magazine of Natural History, in 1875, in volume 15, pages 304-305

Created: 2011-09-28, modified: 2011-09-28

Published in Sitzungsberichte der Akademie der Wissenschaften mathematisch-naturwissenschaftliche Klasse, in 1874, in volume 69, pages 315-326

Created: 2017-04-24, modified: 2017-04-24