.. ae 
* 
ee 
376 T. A. Conrad’s Reply to Mr. Gabb, 
preceding pages, respecting the various chemical changes which 
“eozoonal” Ophite appears to have undergone, and its mineral- 
Art. XL.—Reply to Mr. Gabb on the Cretaceous rocks of Cali- 
fornia; by T. A. Conran. 
Is the last number of this J ournal, Mr. Gabb in some re- 
marks on the age of certain fossils of California, charges m¢ 
with an “unfair avoidance of a difficulty.” I am not aware 
B, but from his statement in his Paleontology it appears “5 
to have been found associated with other fossils, and therefore! 
