Oo 
AOTINOCRINUS in Cherbs...c.sccee cece aeeeseccauceccreccseececes Se ee TCs e er eee 224 
AGESEIZOCTINUG CONTCUS 959: 5:9 0 sigie ss evessearer die see a sisi) a a Wists dis.e Maialinie te mies OER) eLa alle ara Sie Marea bys 123 
Agate in Izard county, occurrence Of... 0... cece eee cence teen e eee eet eee teerententee 44 
Amber in Poinsett county, occurrence Of... 1. ec cece cece eee ence cence eeeeeaeens Feae OL 
Analyeisy MVStMORS: OF ats ces guaschsvay gus: sulayaue: ari arscariossise sig sronm ie kearabi or ecberaig uate tui] avelntie ao dhyaseverane a yas 186-191 
Analysis of argentiferous galena from Pulaski county.........eeesee cece cece ener etereeees 240 
argillaceous rock imbedding galena....... cece esce cece cece cree c eee eneeeneeees 176 
blend esicagauevccniwaneanns Ieee Ade dwh ee ANH RRa Gea Gna au ae hw. e Ke 155 
Darn f i tae tojoita cis ie reeeyasay snivs episode, Nresrsdees pds ore pesos Ga teare hatha GOO Amat Sees 164 
BAY 8D saa ag tpi cee REN wa cee ny ee VGA ah pede ob kara GBA aR AGS lated ate ae RN a 130, 227 
OL OMIGE 6-5 Sie ee chaergwseceivrsy Shsiaanioa a AA Babine aalmaree Mus Mase Aa wem Deoeneuve eae ae 174, 175 
Breall CTA ssaiasia lacs ones cayancict ball a aphierathielae Sia. Dininta eyaiada ete Aun temiy eden Gamelan 159, 160, 240 
Henibes a sic wlechcie te tie sian a byest ssh oels Moe GE REA ne sieau ad ela alban 177, 178 
Vinmonite. saachnninaernine dace ad cmaielsvsen mat stanausnsiet Susva due. uevelet wusiaualavaelaletnceiatiamns - 170-172 
SP TMAUPLOTALE! saveyavaver a ahnidvevesas ebb smal sinceng ie thine i Sgeaua m cele love teladle otmyateua vader Goueie mt aadinge eleraliaie 153 
METS -CAarthiercegycavcede teased dewwat ecru Lene Peewee Ee eee ee 53, 54, 178, 185 
POATIS PAL sa. slera vissaiarnre: ora erat chan aie nase gue ie trae erie tahnty nna Te miele aloe te gah wean LD ORBEA 183 
POLbEL’s ClaYucawaw guiewiaadr waa wgairaneneiew eae Teinin ad ease Reees Vee Tee Meee 21 
psilomelane: . oo access sew encene see saen eben teen aehs ba etter eee 161, 162 165 
red clay imbedding zinc O©re...... eee ee eee eee eee e ee eee e renee enter eeaes 175 
shell-marl trom Greene COUNLY ..... 6 eee e cece eee eee recente ent ente eens 27 
shell-marl from Kentucky........eeeeec cece cree nce e enter teen estes teeeeee enone 27 
smithsonite ..... acoiuten (eens ateraleeeee Rosas thes alae wwe Tees .- 148-153, 183, 184 
Spadra coal...... eee eeeeee rc eees PuUiiera iat Te ane ee TaN ea ae aes 130 
W WL 8Cceccacn cuchas dynieiacrlanniesiue loersaieiastine EAE AEE SE SHOE OER AEN aicerPe aera 163 
water from Cobb’s well..........ce cece cece cect teen n ete ee erect seer eeceeeees 
7 John Robinson’s well.........cccee ccc e este eset e ener seesenerenees 
“Wim. Lane's: Well. ..ncdienndnndndanesisreaneeasename nee aaa date 
J. P. Harris’ well...... Lagemeacene 
‘Thos. McElrath’s well.......-..-. 
a spring near J. Young’s farm 
a mineral spring in Crawford county..-- 0. sseeeeee erence eee eee renee 228 
a sulphur spring in Washington county. .....essese eee ee eeeeees 117, 119 
a mineral spring on Spirit creek, Franklin county... -.+.+esseeeeeee 229 
a chalybeate spring in Franklin county.........eeeeeee cece eee eeees 228 
A. 8. Stewart’s spring, Greene county....... Nalalcavas miearenen etter 23, 180 
the town spring of Springfield, Conway county........++-+eeeeeeeees 236 
the “ Mammoth spring? -...-0..esece cece cere cece eee e eee eerneees . 182 
the Searcy sulphur spring, White county..........seeeeee creer eeeees 71 
the Black sulphur spring of Van Buren county.....-+-++eereeeeeeeees 73 
the Puce spring, Van Buren county......-.+eeeeeeeee rere rere eeeeee 73 
the Pennywit sulphur spring, Crawford county....--++eeesseeeeeeeees 126 
the Rice’s spring 0... eee cece cece eee eee e eee eet e ne en tener eeeees 207 
the State salt spring, Franklin county. ....++ssesseceeeeeee cece cee 229 
Newton spring, Pulaski county ...-... 0. ee eee eee ee eee eee eeeeeeeee 241 
wo 
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of St. Francis river.......... i dieser da latrines eae eietenta ears 
