162 
THE EERN PARADISE. 
general way to crystal structures of almost every 
imaginable size and shape. In the accompanying 
illustration a case of the simplest description is 
shown, having for the compost and rock-work a 
receptacle which may be either of porcelain or of 
rustic wood-work. Such a case can be made with 
w 
a moveable frame, so that the glass top can be 
lifted when watering or air is required. Or the 
case may be dome-shaped, with four, six, or eight 
sides; or four, six, or eight sided, with a pointed 
glass roof—the framework supporting the glass 
being of zinc, galvanized iron, or wood-work. It 
may be a stand or pot made of terra cotta, rustic 
