Catalogue of Specimens. 



659 



360 do rhomboidal, Rainsford's Islands. 



361 do do South Boston. 



362 do laminae curved, Rainsford Islands. 



363 do light gray, Halifax. 



364 Argillaceous Slate with veins of calcareous spar. Watertown. i 



365 do variegated. Quincy. 



366 do Hull. 



367 do (Novaculite ?) Boston Light House. 



368 do (do?) Hingham. 



369 do 1 (do .?) Spring Street, Roxbury. 



370 do (do?) Watertown. 



371 Amphibolic Aggregate Middletown, R. Island. 



372 Varioloid Wacke, Saugus. 



373 do Brighton. 



374 do Hingham. 



375 do Nantasket Beach. 



376 do Hingham. 



377 do nodules quartz and epidote, Brighton. 



378 do approaching to porphyry Needham. 



379 Wacke from a vein in granite — lead mine, Easton. 



380 Amygdaloid passing into siliceous slate, Newport, R. Island 



381 Siliceous Slate, porphyritic, do 



382 do do 



383 do with vein of granite, do 

 384, 385. do Nahant. 



386 Passing into Chert, do 



387 Jasper, Newport, R. Island. 



387 1-2 Heliotrope, do 



388 Clouded Jasper (Compact Feldspar?) (polished) Saugus. 

 389, 390 Jasper, do 



391 Prase with asbestus, Brighton. 



392 Zoisite from the amphibolic aggregate, Middletown, R. Island. 



393 Cubical Pyrites in anthracitous slate, Wrentham, coal mine. 



394 Asbestus in slate, Somerset. 



395 Impressions of fernt &c, on slate, Newport, R. Island. 



396 Equiactum ? on anthracitous slate do 



397 Unknown impressions on do do 



398 Calamites, Wrentham, Coal Mine. 



399 Neoropteris ? &c, on slate, do 



400 Fucoides ? on hard schistose rock, Attleborough. 



401 Anthracite from graywacke, Wrentham. 



402 do do Portsmouth, R. Island. 



403 See the No. following No. 803. 



Argillaceous Slate. 



404 Macle in argillaceous slate, (bowlder.) Worcester. 



405 Common argillaceous slate, Guilford, Vt. 



406 do Lancaster. 



407 do Shirley. 



408 do Harvard. 



409 do Pepperell. 



410 do passing into mica slate, Bernardston. 



411 and 412 do with quartz veins, Guilford, Vt. 



413 do wavy surface, Glen, Leyden. 



414 and 415 do contorted,- Guilford. 



416 Micaceo-argillaceous Slate in echellon, Glen, Leyden. 



417 Argillaceous Slate much bent, Guilford, Vt. 



418 do do do 



