BULL. GEOL. SOC. AM., VOL. 6. 



CORRECTIONS AND INSERTIONS 



All contributors to volume 6 have been invited to send in corrections and inser- 

 tions to be made in their compositions, and the volume has been scanned with 

 some care by the Editor. The following are such corrections and insertions as are 

 deemed worthy of attention : 



Page 74, line 13 from top ; for " and that " read '' but that farther north " 

 175, ** 20 " " ; strike out ^'-Raphistioma minnesotenns, Owen ^^ 

 268, footnote; for " schiefer Gesteine" read " Schiefergesteine " 

 270, line 27 from top ; for " transition " read "gradation " 

 274, " 6 " bottom; /br " transition" rmcZ ** gradation" 

 276, figure 5 ; for " northeast " read " southeast " 

 276, " 6 ; for " Gabbro Inclusion " read '^ Gneiss Inclusion " 

 285, plate xii ; in section Y-Y, fault iiT-^ should throw to the north. 

 328, Hue 14 from top ; for "323 " read " 324 " 



