Fig. 1, 2,. 3. 
PLATE 9. 
Ct- t i A 
RflsSiHtf¥WS BILOBATUS. 
(Pag. 24.) 
. A well marked specimen with a stipe attached. „ 
. A flattened specimen, showing the point where a stem was broken off. 
. A large and well preserved specimen, showing no marks for the attachment of a stem. 
Fig. 4. 
Stems of a marine plant. 
(Pag. 25.) 
