EXPLANATION OF 'PLATE XXIV. 
Blechnoxylon talhragarense, Eth. fil. 
Fig. 1. A cluster of fronds radiating from the caudex, which is parti illy 
hollow through disintegration; seen from above ; x 2|. 
„ 2. A similar specimen, in which the caudex projects slightly above 
the level of the fronds; seen from above ; x 2. 
„ 3. The impressions of the upper surfaces of two more or less pyri- 
form fronds, and portion of a third ; the caudex is again 
partially hollowed by disintegration ; x 3. 
,, 4. A series of frond impressions, radiating from a caudex at three 
successive levels, as displayed by the shading ; x 4. 
„ 7. Portion of an internode seen in profile, with portions of three 
fronds seen from above ; x 2. 
„ 9. The centre of Fig. 2, showing the crushed in zones comprising the 
stem ; a naturally weathered section ; x 9. 
