1052 General Notes. 
GEOLOGY AND PALAIONTOLOGY. 
Mr. RAND ON THE GEOLOGICAL SURVEY OF CHESTER 
DELAWARE COUNTIES, PENNA.—In Mr. Rand’s communi 
erroneously supposes that he is referred to as “ skipping fr 
to the undersigned an unjust accusation of carelessness 
competency. 
The writer has casually seen some serpentine outcrops 1 
Lower Merion, but has never seriously studied them. At 
time, while many miles away from both serpentine and 
books, he cannot vouch for what he might be able to pr 
Lower Merion, Radnor or Upper’ Merion. He has little 
however, that he could find there, as he has in other co 
areas of serpentine of which no two field geologists 
the boundaries alike, and rocks which the most experienced 
os 
opinion, but if the evidence is there he will be glad to a 
nor will it in any way affect his theory of the structure, | 
There is nothing in the language to which Mr. Rand nd 
the moment of reading Mr. Rand’s remarks, the writer- 
the impression that C, was Vien ge: at the oera 
follows him, simply repeating that he has neither x 
littled nor ignored” Mr. Rand's work. What ra ef 
point out the injustice of condemning the results °% ito 
worker in science, apparently because he does not happen” ; 
his views, are | 
In conclusion, the writer would suggest that il 
things that might happen to the Geological a grees 
