io. S/ia)kò swam up MÌtiilh, li/u g/iosls. One fumed round in a flash, /lunii- 

 sensed something abnormal, and so it was that Ravelli got this photograph 

 of a shark surprisingly close. It was another large black-fin, and at a distance 

 of only two yards. He became shy at the last minute and moved off {perhaps 

 it was Ravelli'' s lucky moment). 



19. The strange-looking but common 

 guitar-fish often goes 'nuzzHfig' ifi 

 the sand of shallow water for shells 

 and crustaceous animals. It is strong 

 but quite harmless. 



