"For instance:

"(_a_) Was the body buried in the ground; if so, in what
position, and how was the grave prepared and finished?

"(_b_) If cremated, describe the process, and what disposal was
made of the ashes.

"(_c_) Were any utensils, implements, ornaments, &c., or food
placed in the grave? In short, every _fact_ is sought that may
possibly add to a general knowledge of the subject.

"Answers to the fourth and fifth queries should give as full and
succinct a description as possible of funereal and other mortuary
ceremonies at the time of death and subsequently, the period of
mourning, manner of its observance, &c.

"In obtaining materials for the purpose in question it is particularly
desirable that well-authenticated sources of information only be drawn
upon, and, therefore, any points gathered from current rumor or mere
hearsay, and upon which there is doubt, should be submitted to
searching scrutiny before being embraced in answers to the several
interrogatories, and nothing should be recorded as a _fact_ until
fully established as such.

"In seeking information from Indians, it is well to remember the great
tendency to exaggeration they show, and since absolute facts will
alone serve our purpose, great caution is suggested in this
particular.