ZAMITES. 



89 



The specimens referred to as Otozamites Klipsteinii var. longi- 

 folia should be compared with Zamites Carruthersi; e.g. V. 2123#, 

 V. 2122, and V. 2122$ ; but in those and similar specimens the 

 pinnad have a more or less distinctly auriculate base. V. 2123(5. 

 Single pinna. Cf. V. 2123^. Ecclesbourne. Ru/ord Coll. 



Specimens of Doubtful Position. 



V. 2742. PI. VI. Fig. 1. This may perhaps be the terminal 

 portion of a frond of Z. Carruthersi, or possibly of Otozamites 

 Klipsteinii var. longifolia, but it is very difficult to feel any great 

 confidence in placing it in such a position. Ecclesbourne. 



Ru/ord Coll. 



FIG. 5. ? Zamites sp. (V. 2744). nat. size. 



V. 2744. Fig. 5. This specimen and V. 2743 suggest portions 

 of a frond very similar to Ctenis falcata, L. and H., but no 

 indication of anastomosing veins has been detected in the pinna3 

 of these Wealden examples. The portion of frond shown has 

 a length of 13'5cm. ; one of the broadest pinnae is 7mm. in 

 breadth, and is traversed by about ten veins (Fig. 5a). To some 

 extent the specimen reminds one, as regards general habit, of 



