Sanitary conditions on the Isthmus of Panama


[543] Mr. Buchanan to Mr. Hay.


[544] Mr. Buchanan to Mr. Hay.


[545] Mr. Buchanan to Mr. Hay.


[546] Mr. Buchanan to Mr. Hay.


[547] Mr. Bunau-Varilla to Mr. Hay.


[548] Mr. Hay to Mr. Bunau-Varilla.


[549] Mr. Barrett to Mr. Hay.