PLATE 10. 
Fig. l, 2. 
408. 7. PaLjEophycus? striatus. 
( Pag. 22.) 
1 a. A fragment of a stem having the striated surface well preserved, with a more elevated line along the 
centre of the portion exposed. 
1 b. A fragment from near the base, with the rootlets preserved. 
1 c. A similar fragment, giving indications that the stem was hollow. 
1 d. A fragment of a small specimen, showing the upper termination. 
2 is perhaps the expanded termination of one of these stems, which has been much flattened: it is represented 
of the natural size. 
Fig. 3. 
409. 8. Paljeopiiycus-? 
(Pag. 22.) 
Fig. 4, 5, 6 & 8. 
Roots of different species of marine plants, <f-c. ( Pag. 25.)' 
Fig. 7. 
415. 1. ICHNOPHYCUS TRIDACTYLUS. 
(Pag. 26.) 
Fig. 9 a, b, Sc 10. 
Roots of Butholrephis. 
(Pag. 21.) 
