958 ERRATA. 
Page 345, ninteenth line from top, for ‘‘ Genoa,” read “Gann.” 
‘s 346, eighth line from top, for “ eighty-eight,” read ‘ eight.” a 
346, thirteenth line from top, for ‘‘ Hard,” read ‘‘ Hurd.” . 
346, twenty-second line from top, for ‘“‘ covered,” read ‘‘ caused.” 
¢ 349, ninteenth line from top, for “ northern,” read ‘‘ northwestern.” 
*¢ 351, eleventh line from top, for ‘‘ north,” read ‘ south.” 
‘¢ 352, fifteenth line from top, for ‘‘ foundation,” read ‘‘ formation.” 
‘¢ 484, seventeenth line from top, for ‘‘ where,” read ‘‘ whose,” 
*¢ 520, sixth line from top, for ** working,” read ‘‘ resting.” 
“ 521, sixth line from top for “north,” read ‘‘ south.” 
66 525, ninth line from bottom, for “ third,” read “thin.” 
‘* 528, fifth line from top, for ‘‘ forming the,” read ‘‘ form of.” 
‘¢ 529, ninth line from top, for ‘‘northward,” read ‘‘ southward.” 
*¢ 533, eighteenth line from top, for ‘‘ subdivision,” read ‘ subsidence.” 
533, fourteenth line from bottom, for ‘‘combination,” read ‘ continuation.” 
“¢ 534, sixteenth line from bottom, for “north,” read ‘‘ south.” 
“s 537, second line from top, for “‘ abrasion,” read ‘‘ absence.” 
*¢ 537, second line from bottom, for ‘‘ north,” read ‘‘ south.” 
ss 548, twenty-first line from bottom, for “‘ Shopter,” read ‘ Shipler.” 
‘6 548, nineteenth line from bottom, for “fine,” read ‘ fair.” 
‘¢ 549, second line from bottom, for ‘‘ separated,” read “‘ represented.” 
“¢ 551, third line from top, for “ Mort’s,” read ‘‘ Mott’s.” 
* 551, tenth line from bottom, for ‘‘ Dagger,” read ‘‘ Daggen.” 
‘< 553, sixth line from bottom, for ‘‘ represented,” read ‘‘ separated.” 
‘¢ 554, twelfth line from top, for “ remarkable,” read ‘‘ workable.” 
*¢ 555, fifth line from top, for ‘‘ recovering,” read ‘‘ securing.” 
** 555, fourteenth line from top, for ‘‘ probably,” read “‘ possibly.” 
“¢ 560, thirteenth line from top, for ‘ buried,” read ‘‘ burned.” 
561, nineteenth line from top, for ‘‘ disappearance,” read ‘‘ appearance. 
*¢ 567, sixteenth line from bottom, for ‘‘ their,” read ‘‘ thin.” 
‘6 571, thirteenth line from top, for “ thick vein,” read ‘‘ thickness.” 
‘¢ 571, sixteenth line from bottom, for ‘‘ Imley,” read “‘ Insley.” . 
*¢ 667, twenty-third line from top, for ‘‘interspersed,” read “interposed ;” for “same 
stem,” read ‘‘sandstone.” 
‘¢ 669, thirteenth line, for ‘‘7,” read ‘3.” 
“ 677, second table, transpose ‘‘22,90,” and ‘.10,” and for ‘iron phosphate,” read 
‘‘ lime phosphate.” 
s¢ 690, first line, for * firmly,” read “ finely.” 
é¢ 690, sixth line from top, for ‘‘round,” read ‘‘ sand.” 
“¢ 694, twenty-second line from top, for ‘‘ north,” read ‘‘ south.’ 
¢¢ 695, second line, for ‘‘ west,” read ‘ east.” 
699, twenty-third line from top, for ‘‘ north,” read “south.” 
699, thirty-first line from top, for ‘‘northward,” read “southward.” 
‘¢ 708, third line from bottom, for ‘‘ nominal,” read “normal.” 
‘¢ 710, twelfth line from bottom, for ‘‘ north,” read ‘‘ south.” > — 
714, twenty-second line from bottom, for ‘ villages,” read ‘ valleys.” 
