£7. 61.] TO CHARLES DARWIN. 623 
fix it all up for you and read the proofs once, and so 
save you the worry. And I urgently request you to 
send this line to Professor Henry, as embodying my 
opinion, and my offer of help. 
I am sure that if the rest of my manuscript is called 
for, I shall turn it over with satisfaction, though the 
same applies to it as to yours. And I should either 
alter accordingly or add notes. 
The rest of your letter I will respond to in due 
e. 
But I feel concerned to have those Oregon plates 
I think I have some right to, as I paid for one 
hundred of them; but that is no matter. They are 
now neither published nor unpublished, which is a 
bad state of things. 
Dr. Gray had the manuscript prepared some years 
before for the second volume of the “ United States 
Exploring Expedition,” and notified the library com- 
mittee that he was ready for publishing. Meantime 
came the war, and there was no money or thought for 
such things. When the country was again quiet and 
prosperous, the library committee who had formerly 
known and been interested in the work and its print- 
ing had passed away ; there was no one to care for it, 
and the manuscript was never called for. 
TO CHARLES DARWIN. 
CamprinGe, March 7, 1872. 
Mr. Packard, one of our best entomologists, a most 
excellent and modest man, has asked to be introduced 
to you, that he may pay his respects. 
I shy or refuse such applications generally, saying 
