CONTENTS. T> . > P a g e Mary tic Genus . 2 ^ 2 Baryt and fixed air 253 —— andfulphuric acid 254 * its varieties as to texture, from p. 256 to 259 bituminous ’ Beryl Bi f muth _ — Vol. II. native regulus 2 o8 oxyd or calx . 2 1 o 66 205 ■ julphurifed • pyritical arfenicated 211 212 Bitumens^ 2I ^ a. Liquid — Vq1 L 285 *■ ™ — ~ ,,f z et fe Bituminous Wood ■ —sup; ■. 29; j - . l j c marl Sbifius __ ... Black Lead . ^ ~ 3M Black Chalk T r 1 t 303 Blende -___J' ° , L *73 ■j o Foll L •vide, Otesof Zink. oodfione j 'vide, ores of Blue native Brujjiate — J iron% a 2 Bolus