SERIALARIA. 367 
a notion by only opening his eyes, and by observing their beauties, and ex- 
periencing their utility, might praise his Maker for them ;—but also filled 
the deep with inhabitants, and ornamented it with animals, which appearing 
to vegetate and blossom like plants, his curiosity being excited, he might 
also study the inhabitants of the water, and glorify his Maker for the creation 
of them.” —Kirby’s Bridgewater Treatise. 
Genus XXIII. SERIALARIA, Lamarck. 
Gen. Char. Polypidom confervoid, horny, the shoots slender, 
filiform, fistular and branched ; cells tubulous, uniserial and uni- 
lateral, disposed in close parallel companies at stated intervals. 
Polypes ascidian.— Dr. Johnston. 
1. SERIALARTALENDIGERA, NitCoralline. (Pl. XX. fig.76.) 
Hab. On seaweeds of various kinds, though, like many 
other corallines, partial to Halidrys. 
It is common on many of the shores of England and 
Treland, and though we have not found it on our western 
shores, it has been got in abundance in the Firth of Forth, 
by D. L., jun., and others. It has been called the Nit Co- 
ralline, and when we look at it with the naked eye we are 
reminded of what we have seen on the heads of neglected 
children; but we have only to apply the lens, and our 
thoughts are immediately turned away from filth, to the 
groves of Arcadia, for what had seemed a nit is seen ex- 
actly to resemble a little Pan-pipe; so that, if we could 
