Obviously you've been there and did not see a bone box...
Ric and another TIGHAR visited the Archives when they were in England.
No bone box then.
I visited them after they moved to Auckland.
No bone box.
There is a sextant box in the Fiji Archive, but it is hexagonal and has
a sextant in it--not the one we're looking for.
There are random bones at the Fiji School of Medicine, but none of them match the doctor's measurements or the tooth count.