182 O. Feistmantel — A sketch of the history of the [No. 3, 



b. Baniganj group : Raniganj coalfield ; Satpura basin ; Sikkim (ac- 

 cording to Sir J. D. Hooker). 



Genus Vertebraria* Royle. 

 A very peculiar genus, hitherto with certainty known only from India 



and Australia. 



Vertebraria indica, Royle. 



1839. Koyle, I. c, p. XXIX, PI. II, fig. 1-7. 



1880. Feistmantel, Pal. ind. Gondwana Flora, Vol. III. 



This fossil is very abundant and has a very wide distribution. 

 Upper Gondwdnas : In the red shales, mentioned above, from the 

 Latiahar hill, Auranga coalfield. 



Lower Gondwdnas : Baniganj (Kdmthi) group in most of the coalfields. 

 JBardkar group : in most of the coalfields. 

 Karharbdri beds : Karharbari coalfield, rare. 



Class FILICES. 

 Ferns are very numerous both in the upper and lower portion of the 

 Gondwana system. 



Order GLEiCHENiACEiE. 

 Several forms, described at first with other generic names, appear to 

 belong here. 



Gleiche?iiaf bindrabunensis,% Schimp. 

 1862. Pecopt. gleichenioides, Old. and Morr. Kajmahal flora, Pal. ind., Gondwana 

 Flora, Vol. I, pp. 45, 46, Pis. XXV, XXVI, fig. 1, 3. 

 1869. Schimper, Trait, d. Pal. ve'g. I, p. 670. 



Upper Gondwdnas : Bdjmahdl group in the Rajmahal hills. 

 Pecopteris§ tenera^ Feistm. 

 1876. Feistmantel, Each Flora, Pal. ind., Gondwana Flora, Vol. II, p. 26, PI. Ill, 

 fig. 5. 



Upper Gondwdnas : Umia group, Dudye in Kach. 



Order Maeattiace^:. 



Genus Danaeopsis^ Heer. 

 JDanaeopsis rajmahal ens is** Feistm. 

 1877. Feistmantel, Pal. ind., Gondwana Flora, Vol. I, p. 105, PI. XXXVIII, fig. 4 



* Vertebra (lat) = a joint of the back-bone. 



f A living genus. 



X From Bindrabun. 



§ Peko (gr) = to comb ; pteris (gr) = fern. 



|| Tener (lat) = tender. 



If Like Danaea. 



** Kajmahal hills. 



