27 



* 365. CALCITE. Cianciana, Sicily. 



Jj ffi 5 *.V* -S 



366. ICELAND SPAR. Iceland. 



mWJjffitf TA *?*>?& 



367. Iceland. 



7M * ? xKg 



368. Iceland. 



r^r^^xKft 



369. STALACTITE. Dubuqm, Iowa. 



M f L 5 ft * 



* 370. CALCAREOUS SINTER. U. S. A. 



5 & * tt * 



i:: 371. Mammoth Hot Springs, 



4b Tit Wyoming. 



::: 372. Mammoth Hot Springs, 



4k * Wyoming. 



"' 373. Mammoth Hot Springs, 



ft /S Wyoming. 



374. MARBLE. Vermont. 



* a 5 ft * 



375. Carrara, Italy. 



9 *J 



376. Hudson River, Neio York. 



ft Tie 



377. here's 



378. Tennessee. 



ft 



enn 



ft 



