ERRATA. 
77. Put quotation mar'is at end of fifth line from the top. 
78 . Erase “and,” in the third line, and for “ abounds ” read abound. 
216 . In third paragraph, third line, erase “as,” before the word “established.” 
216 . In (“ 6 ”) for “speroid,” read spheroid. 
218 . After the first word of the note *, insert present positions of the, 
221 . Insert between “polar” and “currents,” the words and equaioricd, in the caption. 
222 . Nineteenth line from top, for “caused,” read causes. 
264 . Ninth line, for “surrounded,” read rounded. 
280 . Note, for “ Pompey’s hook,” read Bompnfs hook. 
297 . Note, for “ Lickinep,” read Licking. 
311 . In No. 45 , for “ Aukville,” read ArkviUe. 
328 . Eleventh line, after “county,” insert has. 
331 . Fourth line from bottom, for “south-southeast,” read east-southeast. 
335 . Last line, for “ore,” read sand. 
339 . Fourth line, for “ favosites,” read/awiite. 
351 . Fourth line of i note, for “ strata,” read strike. 
367 . Twelfth line from top, for “tilled,” read tilted. 
385 . Bottom line, erase the period, and for “ The,” read the. 
624 . Seventh line from bottom, for “axis” read axes. 
627 . Twelfth line from bottom, for “ distance,” read 
635 . Tenth line from top, before “ ninety,” insert one hundred and. 
635 . Sixteenth line from top, before “ intersecting,” insert bp. 
