F. H. Storer—Shell- and Rock-boring Mollusks. 59 
ply maize plants with nitrogen by feeding them with ammo- 
nium chloride, they found that this salt was decomposed and 
that chlorhydric acid, for which the plant had no need, accu- 
osmotic action of the roots on matters in the soil-water; 
though it is perhaps equally probable that the lines are etched 
. 
by carbonic acid which is known to be given off by plant» 
roots. 
deceives me grossly, in the stomach of the so-called ling or eel- 
shaped blenny (Zoarces anguillaris) some of which specimens it 
should be said are extremely well-fitted to give a student just 
conceptions as to the great chemical activity of gastric juice. 
Some twenty-five years ago, in a discussion at a meeting of the 
* See Johnson’s “ How Crops Grow,” New York, 1868, pp. 170, 171. oe 
. 
