All the common minerals and ores; the 
principal kinds of rocks, arranged to illus- 
trate both Lithology and Historical Geology; 
folds, faults, joints, veins, dikes, and other 
illustrations of Structural Geology; and the 
characteristic fossils of the different form- 
ations. 
inets a specialty. Carefully "f.S’SZ Mineralogical and Geological Specimens. 
specimens guaranteed in every case. 
A specialty made of furnishing collec- 
tions illustrating the Boston Society of Nat- 
ural History Guides for Science Teaching. 
No. 12. Common Minerals and Rocks. 
No. 13. First Lessons on Minerals. 
No. 15. Thirty-six Observation Wessons 
in Common Minerals. 
*K3EO. B. FRAZAR,* 
A large and varied assortment of showy minerals always in stock. 
West Medferd, Mass.,. 
Ay 
189 3 . 
7^ 
Clj&O- 
Merits 
S? >/ c/v-o, — . 
\f ft^c. / ^ C^syOt^ r/ X _ g?Coo*yiyy frfa- GZ ^ 
£~ o eJ~, J f A ^L^yty <^G //3\ 
/W-. _ 
? cOatS" ' 
