65 
1 
255 Commonwealth Avenue, Boston, Mass. 
December 5th, 1922* 
My dear Mr. Towe11: 
Your letter of November 20th ha 3 
arrived. I am delighted at the view-point you have taken. 
I am sure that my best efforts will be used to make our 
co-operation a joy to us both. I do not wish to have you 
burdened.by the feeling that you are under obligations 
to collect and supply a fixed number of specimens. What 
we noth desire is an orchiaological survey of Panama. 
I am sure that you will do everything in your power to 
push forward such a survey and to gratify my expectations 
as to your abiltji to make good. 
Ose newspapers for packing folders. If there are 
go 
too many specimens of the same number to/within one fold 
of the newspaper, then lay in separate sheets to aocomodalfe 
the surplus. Material packed in this way can be placed in 
bundles six inches thick and with thin card board guards 
be forwarded by mail. 'This is the method used by the most 
efficient collectors and gives satisfactory results. The 
cost forppostage is really negligible. It would be out of 
the question to mount the specimens and forward each num 
