lUllLDINa AM) Oi^NAMKN TAL SIO.NKS. 553 



Horublende granite. Coarse-; dark gray. (J-iiicli cube. Qiiiuty, Norfolk Couuty. 

 CeiitiMinial. l--7(i. \7VZ.\. 



C'oaisc; uray. tiiiicli cube. (,>uiiicy, Norfolk County'. Centennial, l.STO. 



iri-Jf). 



Coai'.sc ; (lark j^ray. (i-inc.i cnlie. C^Miiiuy, Noi'I'olk (Jonnty. Centennial, 



1^70. ]74-i7. 



Coarse; dark <;iay. (.^lainey, Norf(dk Connty. Cenh^nnial, 187('i. ]74"Jl(. 



Coarse; {;ray. Wesl (jtiiiney, Norfolk Connty. Quarry of F. J. l^iller A ('o. 



Tenth (^'nsns, issO. -J.')!;!!!. 



Coarse; dark gray. West Quiney, Norfolk Connty. <,»narry of O. T. ]>i>gers 



A- Co. Tenth Census, l.^'^'O. 2::>('>0^>. 



Coarse: dark gray. West Qniney, Norfolk (Jonnty. C. Wilson's (juarry. 



Tenth Census. issO. •jr)(;i7. 



Ilpidote granite. Fine; light pink, green spotted. Dedluun, Norfolk Connty. 

 I'.nllard's.)ii:irry. Tenth Censns, IrtSO. lidlJSC). 

 — Fine; light ])ink. green spotted. Dedhain, Norfolk Connty. J. Delaney's 

 quai'ry. Tenth Census, ISSO. 2K:!.'^7. 

 Eiotite granite. Coarse; light gray, slightly i)inkish. Randolidi, Norfidk ('onnty. 



Quariy of S. F>. Corliss. Tenth Census, LS,s(l. 2^)^}[)-i. 

 MiLSCovite gneiss. Fine; gray. Westford, Middlesex Connty. Quarry of Ij. Palmer 

 A Sons. Tenth Cen.sus, 1880. 2M^>V>. 



■ Gray; tinely porj)hyritie. Westford, Middlesex County. S. P^letehcr's quarry. 



Tenth Census, 18.St). 2(!4.'')7. 



Fine ; light gray. We.stford, Middles(!X County. A. Fletcher's (]narry. Tenth 



Census, 1880. 2r)4r>8. 



FiiH); gray. Westford, Mi(kllesex County. W. Eeed's quarry. Tenth Census, 



IMSI). 2t)-l()l». 



■ Fine; gray. Westford, Middlesex County. U. Reed's quarry. Tenth Census, 



1880. 26401. 



Fine: gray. Westford, i\riddlese-x (!ounly. D. Reed's quarry. Tenth (Jensus, 



\SK). 2MG->. 



Coarse; gray. West Andovcr, Essex Connty. J. Maddox'.s <|uarry. Tenlh 



Census, 1880. 2t)'>'X>. 



Coarse; light gray. Ijawrence, Essex Connty. J. Moulton's (jnarry Tenth 



Census, 1880. 2(;r)47. 



Mtulinni ; light gray, ('harlton, Worcester Connty. Quarry of Laiuson *fc 



Woodhury. Tenth Censn.s, 1«80. 23;)2'J. 



Fine; light gray. Mon.son, IIain])d(ai County. Quarry of W. N. Flint A Co. 



Tenth Census, 1880. 2.^)1)11. 



Muscovite biotite gneiss. Fine; light gray. Westford, Middlesex Ctnnty. 

 (Quarry of Swett A Sinilh. Tenth Census, ISSO. 2t)4r)!l. 



Biotite gjieiss. Viar-, gray; slightly pinkish. Westford, Middlesex ('ounly. W. 

 Heed's (piarry. Tent h Census, lS,-!0, 2,'")r>t4. 



(.'oarse ; dark gray. Ivowell, Middlesex Connty. S. L. Ward's ((uarrw 'I'enlii 



Census, 1880. 2(5U71. 



Coarse; light gray. (J-inch cube. Douglass, Worcc^ster County. Centennial, 



187(5. 17431. 



Coarse; gray. Northbridge, Worcester (^)unfy. (Quarry of S. J. Fowler, jr. 



Tenth Cen.sns, 1880. 20194. 



