A SEASIDE RAMBLE 



219 



ratus, to enable it to maintain an upright posture. 

 No living sponge has ever been found at all approach- 

 ing this in shape, 



Fig. 59. Guettardia stellata (Michelin). 



We are now nearing the locality occupied by the 

 Channel Tunnel works, and as the tide is flowing, we 

 must ascend by the steps over Shakespeare Cliff 



