Catalogue of Specimens. 



Boxborough. 

 Littleton, 

 do 



Chelmsford. 

 Acton. 

 Walpole. 



Newport, R, Island. 

 Stoneham. 



Smithfield R. Island, 

 do 

 do 

 do 



487 and 488 do 



489 do with serpentine, 



490 do 



491 and 492 Coarse granular whitish Limestone, 



493 do 



494 Gray do do 



495 Compact light gray do 



496 Compact white translucent marble (polished.) 



497 Granular clouded limestone, 



498 White do Harris Rock, 



499 do do Dexter Rock, 



500 Flesh coloured do 



501 Flexible Marble Slab, New Ashford. 



502 Laminated Calcareous Spar, Bernardston. 



503 Crystalline, do do 



504 Hydrate of Iron, do 



505 Magnetic Oxide of Iron, do 



506 Nephrite Stoneham. 



507 Allochroite 7 do 



508 Specks of Serpentine in limestone, Boxborough. 



509 Crystalline Augite in calc. spar, do 



510 Calcareous Spar, wine yellow in lime, do 



511 Actynolite, in do do 



512 do radiated in do 



513 Compact purple scapolite &c. 



514 Lilac do 



515 Crystallized do in gray quartz, 



516 Dark gray do (Nuttallite) 



517 Sahlite, 



518 do with compact scapolite 



519 Diopside, 



520 Actynolite, 



521 and 522 Bisilicate of Magnesia, (Boltonite.) 

 523 and 524 White amianthus, 



525 Limestone and white talc, Smithfield, R. Island. 



526 Crystalline augite scapolite and cinnamon stone, Carlisle. 



527 Cinnamon Stone and pargasite, do 



528 do do 



529 Crystallized Scapolite, Littleton. 



530 Actynolite, do 



531 Phosphate of Lime in scapolite. Littleton. 



532 Sphene with scapolite and petalite Bolton. 



533 do do Littleton. 



534 do with, augite and scapolite, Carlisle. 



535 White crystallized Augite in dolomite, Canaan. Ct. 



536 Carbonate of Lime and Augite, Lee. 



537 Tremolite in Dolomite, do 



538 do do Canaan, Ct. 



539 do Sheffield. ' 



do 

 do 

 Bolton, 

 do 

 do 

 do 



Acton. 



Whitingham, Vt. 

 Chelmsford. 



Bolton. 

 Chelmsford. 



Scapolite Rock. 



540 Scapolite Rock somewhat crystalline, Canaan, Ct 



541 do compact (the common variety.) do 



542 do with dolomite do 



543 do with mica passing into mica slate, do 



544 Quartz, scapolite and augite, do 



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