INDEX. 951 
Pace. 
Manganese ores, method pursued in their analysis.............05 ee ere 188 
their chemical constitution.........0ccseeeceeeceneees jeiaba a ata sbiacarsnaeabanaes 167 
Manure, gypsiferous deposit in Greene county, valuable a8 a........s0ecceeeecceeev eee 202, 203 
Manure, gypsiferous shale of Washington county, valuable ag a........... cece cece nsec teens 113 
Marble, black, of Independence county........-eesececeeecees ADs rede beac naaiem eeyateline U5, 218 
of Van Buren county........sseseeeeeee dyna dae Sank nine alesesabptane a ela RT aH 
Of SEALCy COUN sti ccice Cig bien warded aw aac sete ass 
encrinital, of Carroll County.......esee cece cece cece cece tee e eee en ees 
-limestone, of Newton county 
-rock, where most abundant ...........secceee seen eens Pranic by ass Svasus bata puch tie alone 137 
variegated, of Marion County......eseseseecceeceeee cree cenc eter ev er eeenenes 45, 51 
Marion (county .ssa:s seve snyavedeaein ae sie sustacectwwes ause Wincarsibre:¥ ivan-ecenaigc@aisiness einicureemaseie 45, 224 
analyses of the ores of lead Of... .... cee eee ee cece eee e teen eee eee eneeee eee 159 
analyses of the ores of zinc Of... 0... cece cece cece cece cence eee ee eens 151-155 
PUD E SHON CO fave eatin. 520 0 :toca,555.cosngesoxesade ca cavevaen evaecn, Susiaauessevtiaceac Qua Gun mimsaravedaiteadeaceiinneiecs 53 
manufacture of salt-petre in... ... eee cece eet eee eee tee eect eens 225 
NIGEC-CAV ES Ofs vec s22-40055 688045 SVE eww E owe eee Ceo g cee OES 5:3, 224, 225 
marble limestones of.......... pales Pauret sgpcncste ie tabs tas de BastiesfctenSbvarovisstotorien aesarsesbuenaenaseeh Daainera 45 ol 
occurrence of ores of Copper iN... .... eee cece cee eee eee eee nee nteees 55 
OL TEA Atisrec.stnarrerenmnereens Barden ese sis alee 46-4, 52, 55, 55, 225 
Of ZING Ie nsceunweas womaseneenee9 8 ROO Rw olan INE 55, 55 
SANSONE: Ofassnonesoncinsnnosn cena nade doweangmnem wena eoanncoemteniee 45, 51 
section of strata in the lead-region Of ....... ccc cece cece eee cere eee ennees 48 
Marionite, description and analysis of 0.0... .see eee ce eect ee eee eee e eee e teen cnet een e cane 153 
Marionite: formulates s's0'< iss sos oo ats eae Ge bk esas b aS wae eg Be oe hoe e se eR aa eens 154 
Marl, shell-, of Greene county, analysis Of....... ccc cee c cece este ee ee tence eeeeneneenes 27 
Marl, shell-, of Kentucky, analysis Of.......cccescceencesceeseceseenseeeneseeeensenenes a7 
Marshalls: prairte 34 :o:s;sis.a1ais avd pases oso elaiass's Ques Died ae 8 Fi ark y Sew) Rew ee ORR RSL Ee Se See tate] 
Marshall’s prairie, character of s0il Of .....-ccceccececceecescceccestectettasesseeseeess 94 
Mattener’s knob... .......00006 ae Sisigie elec psopa eis We se) Saale MEN ERE WHE Se a RE EeRIEN MS MED ETES 43 
Methods of analysis 1¢6-191 
Metamorphic rocks in Pulaski county, occurrence Of.........+-eeee0s sceiniste tua demas. <i 257 
Millstone grit, its vast extent in northern Arkansas... .......0.see eee e cence eee ee ene e eens 157 
Millstone grit and the subcarboniferous limestones, boundary between the...........0.-e0es 137 
Millstone rock of Independence county ve. .sscccee eee e ence c eee n reece ee ence ne en nen eeenes Q17 
Millstone rock of Lawrence county... ... cece cette cence eee eee eee eee seen nent eens 213 
Mining operations, prospect of, in Benton county .....-. cece eee ence cnet ee nee anes 105, 109 
in Newton scountysicicncusotascutoceuwad Seaddedemeasces 84 
in south-east part of Madison county...........eeeeeee ences 100 
in the north-east part of Arkansas ........ ccc eee eee eee eeee 108 
Missouri, description of the lead mines Of 0.00... ccc cece cece ence een cence ence reeees 105-107 
Mitchells hill, Seetion ON 416 sss s9-0% ce se a ene is OR EE EES EER TREE E Ee EREE BERS MEST TEE OS sx 90 
Modiola;. in-shale of coal MEAsULES wccvisicasianeienscKHeee Cece huwaseauees rear caeereues 230 
Monroe county, eoinseanniwanaiceis seeusees otebs eee waGeb Lake CL aEeENEEReLeimmaenmed se 243 
Monroe county, general character Of 1... .scee cece cece cece ene eee ee teen ne ee nent teens 
Morell prairie, :soil Of ww sone sce 6 bv no te ee ce be Sees bes CEE eed e HSER Ee SEER EDA LET Oe CaN 
Mounds in Washington county, origin Of ...... 000s cece cece cece cece een n eee e renee eens 
NAKED! Jor-Of Tzard GO Unity coiee:cs-s5cs iain a5 hse aver dine: a0asetes ofa 9 4d Hie, Sad Sid Wee eda ede wes Ss Snes 
Naturaldam of ‘Crawford county «ais eens esas tice cna wean vere gee xe beg Roane REE EELS 
Nautilus in; chert: scsi see ssreseiew ou etae see ea te ieee Cee SSSR Oe wEN Cb eee Shy dee eee nes cease A 
Nautilus ferrGtus’ 2x0 ie arising Oe 0% G2 se 5 RGAE EE A ERE NS EEE ES ESS ON SFE Se ede eRe eee R SEES ODF 
Neuropteris in shale of coal measures ........ ese eee cece eee cee eee eee eee nett eeees 
ING WEOD COUNTY cc cieea iolanecenesetenes MNS saks OSes COM a yeaa ean ena Rie are peu 
analysis of nitre earth from....... cece eee eee cette eee eee e nents 
marble-limestome: Of 6: 6:6 556 6 oe:4 = og sa sear g al vis igs a cece eecacd, Bearer ears @ ars E sanaO 
nitre caves Of ........--.00 
Oecurrencerol Lead iore sii i .ja5:s)seyercie tases so a ta le eaves see eb atta Saeitne aches ica rigid’ 
prospect of mining for lead in 
section of strata near the mouth of Cave creek, in.......... cece eee eee eee 83 
Nitre cave, Bean’s, of Marion county........ccc cece cece cece eee cent ence eee ne eenees 53, 224 
of Independence county ........ccecsccee see eter ener tect e nese enetenenes 38 
Of Newton COUnLY’ s:5.. pssdgiccinisax sem aweisiradiawannmemdne adie sam dammans bd-86 
reported occurrence of a, in Washington county ........-.- eee seeps eter eee eee 110 
Nitre determinations in nitre earths from Marion county........cceseeeseeeceeeeeeees 179, 1~0 
Nigre earth, analysis of, from Newton COUNLY.......cce cece cence cence eee e nent tener eens 185 
from Bean’s cave.... .eeceeeeeeceee pees REBT ST ES ERTS Sees oe 53, 54 
from: Marion :county® ciéicwscwecieesiareren bars sista stan dara sip eed ews wise 178 
Nitre earth, fatty principle in, from Thompson’s cave ........... gistale iat aiioa in @ sesatabailovecaceigSeroraia 86 
Nitre, manufacture of, in Marion county.... ccc ecee cece cere cee e ence ence een ee tren eeeees 225 
