INDEX 



Actjxocrinus in chert 



Agassizocrinus conicus ...... 224 



Agate in Izard county, occurrence of! '. '. 123 



Amber in Poinsett county, occurrence of. . . 4 * 



Analysis, methods of 31 



Analysis of argentiferous galena'fro'm ' Pulaski' county " 186-1M 



argillaceous rock imbedding galena. . 240 



blende oe 176 



brauuite '.'.'.'., 155 



coal 164 



dolomite 13°. 227 



galena 174, 175 



lignite 159, 160, 240 



limonite 177 > 178 



marionite ' 170-172 



nitre earth 153 



pearlspar ..." 53, 54, 178, 185 



potter ; s clay ..........[ i83 



psilomelane 21 



red clay imbedding zinc ore... 16l » iG ~ 165 



shell-marl from Greene county l75 



shell-marl from Kentucky. ... 27 



smithsonite 27 



Spadra coal .... 148-153, 183, 184 



wad '.'.'.'.'.'.'.'.'..'. 130 



water from Cobb's well i63 



John Robinson's well 181 



Wm. Lane's well 215 



J. P. Harris' well . . . .'. 29, 180 



Thos. McEIrath's well i81 



a spring near J. Young's farm ..'.'.'.'.'.'. Jf 1 



a mineral spring in Crawford county. ... j*£ 



a sulphur spring in Washington county 1 1'~' 77a 



a mineral spring on Spirit creek, Franklin county'.'.'.'." '.'.'. 'Ill 



a chalybeate spring in Franklin county ™ 



A. b. Stewart's spring, Greene county oi i£ 



J5« « m Sprin ? 0t ' Spri^eld, Conway county. ...::.';::; ' oJfi 



the " Mammoth spring" } -" b 



the Searcy sulphur spring, White county.' .'.'.'.'.'.'.'.' 2 f? 



the Black sulphur spring of Van Buren county 70 



the Puce spring, Van Buren county ii 



the Pennywit sulphur spring, Crawford county. .'.'.'.'.'.'.'.'.' ,«£ 



the Kice's spring ... J 1 ~ D 



*u_ c. . f. fc . " on7 



the State salt spring, Franklin" county .'.'.'.'.'.'.'.' «2I 



Newton spring, Pulaski county "J* 



of St. Francis river. . . **■ 



23, 180 



