LIST OF ILLUSTRATIONS. 



KUIX PAGE TLATES. 



Facing Page 



Plate I. luterior view of luaibl^ quarry at West Kutlaud, Vt 277 



II. Microscopic structures of building stono -• 303 



Fig. 1. Muscovite-biotito grauite (26335*), Hallowell, Me. 



2. Oolitic limestone (379.55*), Litchfield, Graysou County, 



Ky. 



3. WLite marble (25T33*), West Eutlaud, Vt. 



4. Diabase (UGiyj*), Weebawkcu, N..T. 



5. Sandstone (20'^G8*), Potsdam, N. Y. 



0. Sandstone (26077*), Portland, Conn. 



III. Splitting out stone with wedges at Portland, Conn 313 



IV. Figuree showing kinds of finish 319 



1. Rockface. 



2. Pointed. 



3. Pointed. 



4. Tooth chiseled. 

 .5. Drove chiseled. 



G. Patent hammered. 



V. Hand implements used in working stone 330 



Fig. 1. Tooth chisel. 



2. Drove chisel. 



3. Chisel for soft stone. 



4. Point. 



5. Hand-drill. 

 (5. Chipper. 



7. Pitching tool. 



8. Chisel for granite. 



y. Cliisel for soft stone(marble, etc.). 



10. Face or sledge hammer. 



11. Striking hammer. 



12. Bush or patent hammer. 



13. Ax or ijcau hammer. 



14. Plug and feathers. 

 If). Mallet. 



16. Hand hammer. 



17. Grub saw. 



VI. Serpentine quarry, Chester, Pa 362 



VII. Marble regions of western New England 386 



VIII. Granite quarry at Hallowell, Me 417 



IX. Sandstone quarry at Portland, Conn 447 



* The numbers are those of the thin sections in the Museum collections from which 

 fche figures were drawn. 



888 



