
          of any of these and if so what 
 routes do you want. Of course you
 are entitled to such a share as
 you have time or willingness to undertake. 
 Especially would you like 
 Dr. Bigelows collections from the Arkansas
 River of which a bundle is now in
 hand. It is very desirable that 
 a report should be made on their 
 collections or such as may have arrived 
 by as early a period during
 the present session of Congress as possible.


 As your researches and investigations
 of late years have been directed
 especially to the Texas-Arkansas
 country. It would be best to give
 give Dr. Gray the collections north
 of this line. Hoping for a speedy reply I am


 Sincerely yours
 Spencer F. Baird


 Dr. Jno. Torrey
 96 St. Marks Place
 New York
                   
        