Buil.Soc.Belge de Geol.de Palèorit.et d'Hydrol.T. III. 1889. pl .VIII 



... Ivth.G.Seoereyns. 



Sponq&Spicules oftke SiUceous rock jrom ihz BouLder-Clmf ofthtRed CUff ( 'fioode Klif ') 

 on tJw Southern border of tke province oj FnzsLmd . 



