| 248 Re. Pumpelly—Paragenesis of Copper 
th 
hollow shells, scarcely as thick as paper; the angles are = 
and the faces tolerably smooth, but often pierced with ho o 
The hemidome of one of these is studded with the ends 0 
this specimen also, some of the pseudomorphs <—_ 
bedded in scalenohedrons of calcite, which sparkle with bril 
No. 16. “Eprmors Lope,” Sr. Mary’s.—In a onvity ae 
quartz-epidote rock, which forms a frequent feature of t pe 
lie: 1, Prehnite crystals, disposed as a reniform lining 0 
cavity—2, Quartz, in transparent prisms on the prehni sae 
Analcite, crystal $ inch in imatie slightly opaque and so 
what cavernous internally, planted on the quartz. ol 
4. Orthoclase crystals planted on the prehnite, quartz 
analcite. ae 
The prehnite is ially altered, containing cavities re 
filled with a soft green mineral, chlorite or green-earth. 1 
is also a greenish-yellow chlorite-like mineral, which incrusts 
and has eaten away the surface of the quartz va 0p 
_No. 17. Auyepatorp on THE KEARSARGE LocaTION. 
the rock lie: 1, Prehnite—2, Quartz on the prehnite. 
