ISUILDINU AND ORNAMENTAL STONES. 551 



Conglomerate bieccia [marble]. Triiissic; course; rod, vaiiogateJ. Noiir Freder- 

 ick, Fiederi(d< t'ouuty. ( n'rtzeiidauiKu's qiiiirry. Tenth Ceusiis, 18St). 2()7'J7. 



Siliceous limestone. Fine l)l;iek. Liberty I'ike, Frederick County, llolco'n (jiiarry. 

 'I'eutli Census, ISrtO. "jr);)!)*;. 



Magne.sian limestone. Lower Siimian ; line; dark. llageivstown, AV'ashini;ton 

 ('oMiily. T. O. Jones's ((uarry. Tenth Census, 1880. '2i'A)ol'i. 



Biotite epidote gneiss. Fine; liglit red. lichester, Howard County. Tentli Cen- 

 ,-u>i, 1880. 2(;8.5G. 



Hornblende gneiss. Fine; -very dark gray, nearly hlaclv. Ilchesler, llowanl 

 Connty. Tentli Census, 1880. 2r)8."r.. 



Sandstone. Fine; liglit dral>. Seneca, Monlgomtu'y County. Tenth Census. 'jr)01:!. 



l'"ine; light, red; used for building t)ui'poses in Wasbington, J). C. Seneca, 



Montgomery County. Tenth Census. ;jr)01(). 



Nearly white; inediuni. Frederick County. J. L. Belt's (luarry. Tenth Cen- 



sus, 1880. 2'jlu8. 



Devonian ; coarse; yellow. Ciiinlierland, Allegany County. Shriver's quarry. 



Tenth Census. 26839. 



Devonian; coarse; yellow. Cuinbeilaiid, Allegany County. Green Street 



<|uarry. Tenth Census. 2(i840. 



Lower Silurian ; coarse; liglit colored. Cumberland, Allegany County. Will- 



iam J^ippoid's (iiiarry. 2t)S41. 

 Slate. I51uc-l)!ack. Slab G^ inches s(iuare. Ilarlbrd County. Qnarri(\s of lI;ui'ord 



reach Bottom Slate Company. Tenth Census. 1880. 2.'j3r)4. 

 Blue-black. Slab (j^ inches s(|uare. Harford County. Quarries of Hail'onl 



Peach Bottom Slate Company. Tenth C(misus, isso. )>ry.>\hi. 

 Blue-ldack. Slab G inches square. liarford County. Quari'y ot .L V,'. Jones it 



C.). Tenth Census, 1880. 2.'>;«;(;. 



Blue-biack. Slab fi inches siiuare. IlarftU'd County. Quarry of T. W. Jones. 



Tenth Census. 2r):i67. 



Blue-black. Harford County. Quarries of Harford Peach Bottom Slate Com- 



l)any. Tenth Census, 1880. 2G411. 



Blue-black. Harford County. Quarries of Harford Peach Bottom Slate Com- 



pany. Tenth Census, 1S80. 2G410. 



Purple. 4 by 4 by 2 inches. Ijamsville, Fredericdv County. Quarries of Mary- 

 land Slate Company. Tenth Census, 1880. 2G'.K'>2. 



Blue-black. Slab 8 inches s(iuare. Harford County. Quarry o'' W. E. Will- 



iams & Co. Tenth Census, 1880. 253G2. 



r>lue-bl;ick. Slab 8 inches square. Harford Connty. Quarry of W. C. Roberts 



&. Co. Tenth Census, 1880. 25;5G:i. 

 Bracket of carved slate. 10 by 8 inches. Harford (!oiinty. Quarries of Ilarlbrd 

 P(iach l>ottom Slate (Jompany. Tenth Ccnisus, 1880. 2G412. 



MASS.XCUUSKTTS. 



Steatite [soapstone]. Coarse; dark gray. Two miles southeast of Dana, Worces- 

 ter County. Quarry of Kimball, Osgood A:. Co. Tenth Census, 1880. 2(;4;>i). 



Serpentine. Compact; very dark green, lujarly black; takes but a dull polish. 

 (I inch cube. Ess(!x County. 2.")02G. 



Couq)act; very light gremi ; takes a dull polish. Newburyi>ort, Essex County. 



Centennial, 187(). 2(i010. 



Deep green, nearly l)la(d< ; line and compact; lakes but a. dull jtolish. Lynn- 



field, Essex Connty. (^)iiairies of Ijynnlield Soapstone Company. Tenth 

 Census, 1880. 2G.V.4. 



