Fig. 1. 
OF THE GENERA ZAMITES AND PTEROPHYLLUM. 127 
EXPLANATION OF THE PLATES. 
(All the photographs are by Mr. Tams, Cambridge.) 
PLATE 17. 
Zamites grandis, nom. nov. An almost complete pinna, in which, however, a small portion of 
the apex is wanting. From the Keuper of Mr. Griffin's North Quarry, Rock Hill, near 
Bromsgrove (Worcestershire). No. 24, British Triassic Plant Coll, Sedgwick Museum, 
Cambridge. Half nat. size. 
Zamites grandis. A basal portion of a pinna, showing the nervation. From the same locality, 
No. 26 in the same collection. Nat. size. 
. Zamites grandis. A large incomplete pinna. From the same locality. No. 25 in the same 
collection. Half nat. size. 
Zamites grandis. A basal portion of a slender pinna, showing the callosity at the point of 
attachment, From the same locality. No. 30 in the same collection. Nat. size. 
PLATE 18. 
Pterophyllum Bronni, Schenk. Five pinne, all probably belonging to the same frond, and a 
small fragment of the rachis. From the Lower Keuper of Raibl, in Carinthia, From the 
specimen in the Munich Museum. Two-thirds nat. size. 
Zamites grandis. Apical portion of a pinna. From the same locality as the specimens figured 
on Plate 17. No. 26, British Triassic Plant Coll., Sedgwick Museum, Cambridge. Nat. size, 
Zamites sp. Portion of a pinna. From the Rh:etic of Phantaisie, near Bayreuth, Bavaria. 
No. 294, Foreign Plant Coll., Sedgwick Museum, Cambridge. Three-fourths nat. size, 
PLATE 19. 
Zamites grandis. Apical portion of a pinna, bent upon itself. From the same locality as the 
specimens figured on Plate 17. No. 22, British Triassic Plant Coll, Sedgwick Museum, 
Cambridge. Nat. size. | 
Zamites grandis. Basal portion of a slender pinna, showing the callosity at the base. From 
the same locality, No. 28 in the same collection. Nat. size. 
Zamites grandis, Apical portion of a pinna, From the same locality. No. 27 in the same 
collection. Nat. size. | 
Pterophyllum Bronni, Schenk. Three pinnæ, probably still attached to the rachis (rJ. fore 
nervation is clearly seen. From the Lower Keuper of Raibl, Carinthia, From the specimen 
in the Munich Museum. Slightly below nat, size. 
