THIRTY-FOURTH DAY. 



A 



Friday, the 13th of June, 1806. 



3961 A Large specimen of quartz, crystallized 



3962 Fasciculated white gypsum, Derbyshire ; carbonate of ba- 



rytes, polished specimen of cauk, undulated mica, and 

 two more 



3963 Twelve various specimens of marcasite 



3964 Various crystallized tins, Cornwall 



3965 Thirteen various vegetable impressions m small nodules of 



argillaceous iron 



3966 /V noble specimen of purple cubic fluor, in gigantic crystals 



and coated with minute white quartz crystals 



3967 Actynolite in feldspar, carbonate of barytes, and two speci- 



mens of mica, one of them dendritical 



3968 Native gold on brown quartz, brown pearl spar, galena 



with fluor, purple fluor, and five others 



3969 Laminated mica, two short truncated hexagonal columns of 



mica, Moravia ; and an oriental garnet in its native state 



3970 Fifteen vegetable impressions, chiefly ferns 



3971 Two rich varieties of amethystine fluor, cut and polished, 



Derbyshire 



3972 Aqua marine cubic fluors, coated with brilliant quartz cry- 



stals, Durham 



3973 Yellow cubic fluors, a fine group, Derbyshire 



3974 A very fine and delicate specimen of flos ferri, Germany 



3975 Fossil nautilus, cast of an ammonite, and a ditto in pyrites 

 •3976 A remarkably large fossil ammonite 



