COLOUE. 17 



coloured as those that come under the full influence of 

 solar light. 



Thus, in a way that we cannot explain, does the Lord 

 work wonders in the deep, adorning his handiworks. 



" For not to zise alone did Providence 

 Abound, but large example give to man 

 Of grace, and ornament, and splendour rich, 

 Suited abundantly to every taste, 

 In bird, beast, fisli, winged and creeping thing, 

 In lierb and flower." 



The prevailing colours that sea-weeds exhibit are green, 

 olive, and red, in all their variety of shades. Those of a 

 green colour generally grow in shallow water, the olive in 

 deeper, and the red in deeper still; but there are many 

 exceptions, for while the darkest olive plants are at times 

 found in very deep water, I have seen in shallow pools 

 Sphacelaria jplurnosa, for instance, of the darkest olive that 

 I have ever observed in any Alga in a fresh state. And 

 while plants of the richest red or purple are at times brought 

 up from depths profound, Bangia fusco-purpiirea becomes of 

 the richest dark-purple on rocks facing the sun, and but a 

 little within high- water mark. Brownish-olive and greenish- 

 olive coloured plants are generally found about half-tide 

 level. Those again that in deep water are red or purple, 



c 



