664 



Appendix. 



666 



667 



668 



669 



670 



671 



672 



673 



674 



675 



676 



677 



678 



679, 680 



681 



682 



683 



684 



685 



Argillo-micaceous slate, contorted with layers of quartz, Williamstown. 



do Saddle Mountain. 



Arenaceous Mica Slate, ' Norwich. 



do passing into gneiss 



Bolton. 



do mostly quartz, argentine locality, West Hampton, 

 do Norwich. 



Chesterfield. 

 Chester. 

 Norwich. 

 Cumberland, JR. I. 



Chester. 



Enfield. 



Chester. 



Enfield. 



Norwich. 



Sherburne. 



Halifax, Vt. 



Greenfield. 



687 



do vescicular (see No, 598) 

 do 

 do 

 Arenaceous Mica Slate, Woonsocket Falls, 



do 



do with feldspar, 



do 



do whetstone slate, 



do do 



do 



do used for monuments. 



do 



do with seams oblique to the 



surface of the layers, Deerfield. 



do do 



Argillo arenaceous Slate, reddish, at the junction with 



Glen, Leyden. 



688, 689, 690, do bent, do 



691 Arenaceous Mica slate, Worcester. 



692, 693 do anthracite locality, do 



694 do with a talcose aspect, do 



695, 696, 697 do do 



698 do with veins of granite, Lunenburg. 



699, 700 do mostly quartz, Groton. 



701 Talco arenaceous slate bowlder, Worcester. 



702 Arenaceous Mica Slate, Dracut. 



703 do passing into clay slate, Worcester. 



704 do talcose, Lowell. 



705 do Methuen. 

 V06 do mostly quartz, Worcester. 



707 do Andover Bridge. 



708 do with veins of quartz, Worcester. 



709 do S. Hampton, N. Hampton. 



710 do East Sudbury. 



711 do Webster. 



712 do Oxford. 



713 Plumbaginous Mica Slate, contorted, Worcester. 



714 do Ward, 



715 do Amesbury. 



716 Brecciated Mica Slate, do 



717 Anthracitous Mica slate, Dudley. 



718 719 do anthracite locality, Worcester. 

 720 Plumbaginous Mica Slate, Hawley. 



do South Hampton, 



722 Mica Slate, mica and quartz, laminar, Northfield, west of Ct. River, 



do do Conway, 

 do conglomerated passing into sienite, Whately. 



725 Indurated mica slate, do 

 726, 727 Augite Rock associated with mica slate, Williamsburg. 



728 Phosphate of Lime in mica slate, Norwich. 



729 Fluate of Lime, Westmoreland, N. H. 



730 White milky quartz, Warwick. 



