Catalogue of Specimens. 



677 



1435 Feldspar Quartz and Mica, fine grained, Acton. 



1436 do chiefly quartz, Sudbury. 



1437 do passing into porphyry, Halifax. 



1438 Feldspar, Quartz, and Talc ? Duxbury. 



1439 Feldspar and quartz, perhaps sienite, Newbury. 



1440 Feldspar Quartz and Mica, approaching to sienite, ap- 



parently stratified, Worcester. 



1441 do passing into mica slate, Norwich. 

 144^ do do Col rain. 



1443 do mica black, resembling sienite, (smoothed) Dover. 



1444 do fine grained, South Hampton Adit. 



1445 do quarried, do Tyngsborough. 



1446 do do Norwich. 



1447 do wrought, do Dover. 



1448 do mica nearly wanting,very fine grained,quar , d(smooth'd)do 



1449 do fine grained bowlder, Amherst 



1450 do quarried, (smoothed) Concord. 



1451 do feldspar reddish, mica scarcely present, (smoothed) 



1452 do very fine grained, decomposing at the [Waltham. 



surface, (smoothed) Sharon. 



1453 do quarried, (smoothed) (Chelmsford granite) Westford. 



1454 do do do Fitzwilliam, N. H. 



1455 do do do porphyritic, Pelham, N. H. 



1456 do do do Fitch burg. 



1457 do do do Ashby. 



1458 do do do Williamsburgh. 

 1159 Feldspar, Quartz and talc, Dedham. 



1460 Feldspar, Quartz, and mica resembling sienite, Cumberland, R. I. 



1461 Feldspar Quartz Mica and Talc, coarse, bowlder, Amherst. 



1462 Pseudomorphous granite, Williamsburgh. 



1463 Porphyritic Granite, Chester. 



1464 do bowlder, Shutesbury, 



1465 do very coarse, Harvard. 



1466 do fine grained feldspar nearly compact bowl- 



der, (smoothed) Turner's Falls. 



1467 1468 do feldspar chiefly compact in argillaceous slate, Guilford Vt. 

 1469 1470 Chiefly compact feldspar and quartz, do do 

 1471 1472 Graphic Granite, Williamsburgh. 



1473 do Leominster. 



1474 do from a vein in quartz rock, Washington. 



1475 do Goshen. 



1476 do reddish, bowlder, Amherst. 



1477 1478 do flesh red, from red sandstone, Deerfield. 



1479 do Warwick. 



1480 do with garnets, Goshen. 



1481 Junction of Granite and Mica slate, Conway. 



1482 Vein of Granite in Mica Slate, do 



1483 do do Williamsburgh. 



1484 do in the Worcester County Mica slate, Leominster. 



1485 Granite at its junction with micaceous limestone, Conway. 



1486 Granite with a nodule of mica slate, bowlder, Deerfield. 



1487 1488 Laminated and Tabular Sulphate of baryta, Leverett. 



1489 Crystallized calcareous spar, Lead Mine, Southamton. 



1490 Argentine, Westhampton. 



1491 do showing its junction with granite, do 



1492 do Lead Mine, Southampton. 



1493 1494 1495 1496 Crystallized Quartz ol various 



colors, Lead Mine, do 



86 



