CHILDHOOD AND YOUTH 81 
ical distribution of mollusca was almost entirely destroyed, 
and doubt thrown upon many of the attributions which 
happened to be correct. 
From William M. Baird to S. F. Baird. 
WasuincTon, October 14th, 1842. 
. Uncle Penrose went to see Colonel Abert yesterday, and ascer- 
tained that the arrangements for the preservation and arrangement 
of the articles brought home by the Exploring expedition had been 
made, and that there was no possibility of getting you a place. I 
am sorry that this is the case, as it would have been very pleasant 
for me to have you here, but so it is. He did not learn exactly what 
arrangements had been made, but was told that they had been 
obliged to leave Conrad out. 
Baird spent a large part of his time copying from rare 
books and reading volumes which were not accessible in 
Carlisle. On the 31st of August Congress adjourned, 
and the following day Mr. Penrose left the city for Carlisle 
while Baird stopped over at Baltimore for a day and then 
took the train for York. He notes that at one time they 
ran five miles in eleven minutes. From York he took 
stage for Harrisburg and the following day reached 
Carlisle. 
Soon after this he received a notice of his election to 
Corresponding Membership by the Academy of Natural 
Sciences at Philadelphia. 
During this summer he maintained a rather brisk 
correspondence with S. S. Haldeman,” of Chickasalunga, 
28 Samuel Stehman Haldeman, born at Locust Grove, Penn., 
Aug. 12, 1812, died at Chickies, Penn., Sept. 10, 1880. A man in 
easy circumstances, his studies ranged over many fields of science. 
He was especially expert in philology, and in 1851 professor of the 
natural sciences in the University of Pennsylvania. He was of a 
6 
