Cir. 41 , Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate II. 



Fig. 1. —Materials for Making a Calabash Pipe: Gourd Ready for the Fitting 

 OF THE Bowl, Box of Plaster of Paris, Meerschaum Bowl, Machinist's Die, 

 Curved Rubber Stem, and Nipple. 



.\n atlilitional nipple is slmwii witli tlie .stem. 



^v/v 



Fig. 2.— Various Forms of Calabash Pipes. 

 The upper und lower pipes on the right hand side liave been artillcially shaped. 



