344 ANNUAL OF SCIENTIFIC DISCOVERT. 



belong to a horizon superior to that on which the second fknua is extin- 

 guished." 



This is certainly very strong language, and it would be not a little remark- 

 able if, after all the discussions and examinations of this subject, and after 

 the all but universal condemnation of Dr. Emmons's views, geologists should 

 finally be compelled to acknowledge that he is entirely in the right. 



