Fie. 
Fic. 
Fic. 
Fic. 
Fia. 
Fic. 
IG: 
Fia. 
Fic. 
PLATE I. 
1. Algites valdensis, gen. et sp. nov. Carbonaceous impression 
of thallus. Page 6. 
Algites catenelloides, gen. et sp. nov. The small branched 
impressions associated with the previous species. P. 7. 
[V. 2857. ] 
2. Algites valdensis, gen. et sp. nov. P. 6. 
Algites catenelloides, gen. et sp. nov. At a@ the elliptical fein 
of the cells is shown. P. 7. [V. 2857. ] 
3. Marchantites Zeilleri, sp. nov. The branched vegetative body. 
Poo: [V. 2330. ] 
4, Equisetites Lyelli, Mant. Stem showing leaf-sheaths and the 
base of a lateral branch. P. 25. [V. 59.] 
5. Equisetites Burchardti, Dunk. Tubers and root attached to a 
node. The left-hand tuber shows two teeth at the apex. 
P. 32. [V. 2367. ] 
6. Equisetites Burchardti, Dunk. Three long and slender divisions 
of a leaf-sheath shown in the left-hand fragment. P. 32. 
[V. 2367. ] 
7. Specimen A (Plante incerte sedis). P. 19. i 2370. | 
8. Specimen B (Plante incerte sedis). P. 20. 
9. Small piece of a branch of Fig. 8 enlarged 10 times. rv. 2328. | 
