32 
180. SERPENTINE PSEUDOMORPH AFTER MALACOLITE, Staten 
Island. 
181. BRUCITE PSEUDOMORPH AFTER PYROXENE, Staten 
Island. 
182. TREMOLITE, Shady Side, N. J. 
183. CALCITE, zones of growth different colors. 
Nos. 176 to 183 inclusive, exhibited by Frederick Braun. 
184. ACANTHITE ON ARGENTITE. Enterprise Mine, Rico, 
Colorado. 
185. ALTAITE AND PETZITE. «Slide Mine, Gold Hilfiger 
orado. 
186. GALENITE, corroded on lines of cleavage, Rossie, N. Y. 
187. HESSITE. Slide Mine, Gold Hill, Colorado. 
188. MONTICELLITE AND APATITE. Magnet Cove, Arkan- 
Sas. 
189. NATIVE TELLURIUM. Mountain Lion Mine, Magnolia, 
Colorado. 
190. RHODONITE. Buckwheat Mine, Franklin, N. J. 
191. SPHALERITE ON CALCITE. College Hill, Clinton, Oneida 
Co aN: 
192. SYLVANITE. Smuggler Mine, Balarat, Colorado. 
193. TEPHROWILLEMITE AND RHODONITE. Buckwheat Mine, 
Franklin, N. J. 
Nos. 184 to 193 inclusive, exhibited by Prof. A. H. Chester. 
194. MODEL OF THE ORE DRESSING AND CONCENTRATING 
WoRKS of the St. Joseph Lead Co., Bonne Terre, Mo. 
Exhibited by Prof. Henry S. Monroe. 
[In lower hall of the Library Building.] 
