After examination of the things, Begichev decided that the bones belonged to one of the missing Norwegian seamen; however, after Begichev's death, it was presumed that the bones belonged to somebody from Rusanov's expedition.
The bones belonged to one of the missing Norwegian seamen. Begichev decided this. This was after examination of the things. The bones belonged to somebody from Rusanov's expedition. This was what it was presumed after Begichev's death.