Published in Annales des sciences naturelles, in 1871, in volume 15, issue 19, pages 1-5

Created: 2013-07-05, modified: 2013-07-05

Published in Annales des sciences naturelles, in 1871, in volume 15, issue 20, pages 1-6

Created: 2013-07-05, modified: 2013-07-05