PLATI<; xn. 



Otdrotcylon maidstonense, sp. nov. Sections of wood. 

 Kentish Rag; Iguanodon Quarry, Maidstone. 



Fig. 1. Transverse section of secondary wood, showing the very 

 narrow zones of thick-walled autumn wood at a. 

 No.l7fi9(p. 149). 



Fig. 2. lladial section showing the small, round, bordered 

 pits of the tracheids, with " Sanio's rims " at s. 

 m., medullary ray showing group of small round pits 

 in tracheid-field. Of. text-fig. 43. No. 1769 c 

 (p. 152). 



