LIST OF PLATES. 
Faces 
Page 
I. Black Belgian Marble 24 
II. Carrara Marble 26 
III. Vermont Marble 28 
IV. Marble Tennessee ("Pink Tennessee") 30 
V. Trenton Limestone Montreal, Canada 32 
VI. Granite Baveno, Italy . 34 
VII. Granite Lily Lake, Canada 38 
VIII. Granite Westerly, Rhode Island 40 
IX. Granite Quincy, Massachusetts '. . . . 42 
X. Granite Stanstead, Canada 46 
XI. Nepheline Syenite Montreal, Canada 48 
XII. Anorthosite New Glasgow, Canada v 50 
XIII. Essexite Mount Johnson, Canada 54 
XIV. Green Gabbro New Glasgow, Canada , 56 
XV. Olivine Diabase Sudbury, Canada 58 
XVI. Sandstone Cleveland, Ohio 60 
