.Air. Boyden, the receiver, was sitting in hi oHlce i ' iheceunter, with bis back to the do »r, about ii o'clock in tbe evening, making up b a mnt with the (t. v >n.ment. preparatory to leaving for Dubuque with the Government funds, when a p.-r- in 1 ntered the d -. r, turned the key, and stepped up behind Mr. Boyden, and putting <-f tbe light with one hand ana