Xll BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Pages 564-565, 30 copies. February 10, 1906. 



" 566-571, plates 92-94; 230 " " 10,1906. 



Page 572, 30 " " 10, 1906. 



" 574, 30 " " 10, 190o. 



Pages 575-576, 30 " " 10,1906. 



" 577-578, 30 " " 10, 1906. 



Page 579, 30 " " 10, 1906. 



" 580, 30 " " 10, 1906. 



Pages 581-582, 30 ," " 10,1906. 



" 583-585, 100 " " 10, 1906. 



" 586-589, 30 " " 10, 1906. 



Page 593, . 30 " " 10, 1906. 



Pages 595-604, 30 " " 10, 1906. 



" 605-616, 30 " " 10, 1906. 



CORRECTIONS AND INSERTIONS 



All contributors to volume 16 have been invited to send corrections and inser- 

 tions to be made in their papers, 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 11, footnote ; for " 1851 " read 1587 and omit " 317 years ago." 



" 129, plate 30, figure 2, for " dentrified " read devitrified. 



" 131, in the title; for "in" read of. 



" 133, foot-note, for " Ellis " read Ells. 



" 144, line 19 from top ; for " united by a hyphen " read on top of page 142. 



" 146, line 16 from top ; for "of" read or. 



" 149, line 14 from top; before the " : " insert an interrogation point. 



" 157, title of figure 1, for "Sketch map of " read Section across. 



" 211, page heading ; for more read less. 



" 287, line 16 from top; for "important" read impotent. 



" 298, line 9 from bottom ; for " cambro-ordivician " read cambro-ordovician. 



" 299, page heading; for "cambro-ordivician" read cambro-ordovician. 



" 302, line 15 from bottom ; for 11 gniess " read gneiss. 



" 312, plate 57, figure 1 ; for " vein " read rim. 



" 313, plate 58, figure 1 ; for " vein " read rim. 



" 322, line 13 from top ; for " micro-ophitic " read microphitic. 



- " 328, line 4 from bottom ; for " pre Cambrian " read pre-Cambrian. 



