xr. 60.) TO R. W. CHURCH. 619 
brick). It must have been the Law School the moy- 
ing of which Mrs. Gray was describing. Tell Mr. 
Horner that, like some other things, when once you 
have seen it done it ceases to be wonderful or even 
ifficu 
As to my lecture-room, ete., all work stopped for 
near a month, including the fortnight or more when 
T was away; and now (September 11) all has been 
clatter and hurry for the last week or so, and they 
really seem determined to fulfill the terms of their 
contract, to finish by the 15th instant. They cannot 
do that; but I trust the workmen may go out with 
the month. These cares of building have sadly inter- 
ferred with scientific work all summer. I have accom- 
plished very little of what I intended. I attended, 
and, when the last year’s president retired on deliver- 
ing his address, presided over, the American Associa- 
tion for the Advancement of Science, twentieth meet- 
ing, at Indianapolis, capital of the State of Indiana, — 
a journey of forty-eight hours, in very sultry summer 
weather, over long stretches of country. I broke the 
journey by a day in New York, to see two sons of 
Mr. Darwin just as they landed, and by a three days’ 
stay, including Sunday, with my old friend Mr. Sulli- 
vant, in Ohio. The meeting was a pleasant, though 
not especially interesting one. I met botanical corre- 
spondents of many years’ standing whom I had never 
seen. At the close we were invited to make an excur- 
sion to the Mammoth Cave in Kentucky, which I 
counted on seeing. But I found that the excursion 
was to be an overcrowded one. . . . So I hastened 
homeward, and was with Mrs. Gray at Beverly Farms, 
where she had been passing holidays at Mrs. Loring’s 
at the paternal homestead on the seashore, — a place 
