A class name—"Book," "house."

Illustra¬tions of class names are "book," "paper," "island," "coal," "planet," "men." The following quotation explains the class name, "springs":
The traveler's spring is a little cup or saucer-shaped
fountain set in the bank by the roadside. The har¬vester's spring is beneath a wide-spreading tree in the fields. The lover's spring is down a lane under a hill. There is a good screen of rocks and bushes. The her¬mit's spring is on the margin of a lake in the woods. The fisherman's spring is by the river. The miner finds his spring in the bowels of the mountain. The soldier's spring is wherever he can fill his canteen. The spring where schoolboys go to fill the pail is a long way up or down a hill, and has just been roiled by a frog or muskrat, and the boys have to wait till it settles. There is yet the milkman's spring that never dries, the water of which is milky and opaque. Some¬times it flows out of a chalk cliff. This latter is a hard spring ; all the others are soft.
— jonx BURROUGHS, Pefiacton.
SUGGESTION.- The method used here is that of classification, or the enumeration of different kinds of objects which are included in the general term whose meaning or content is being set forth.