DIRECTIONS. 
ANIMAL KINGDOM. 
I. VERTEBRAL ANIMALS, OR ANIMATED BEINGS WITH A VERTE¬ 
BRA OR SPINE. 
Man .—The head or skull is the only portion of man that 
need attract the especial attention of the collector. As it is 
known that there are great differences in the size and form of 
this organ, and that these differences serve a valuable purpose 
in investigating the varieties of the human species, it is very 
important that a good collection of them should be formed. 
Efforts should be made to obtain them from each of the Abo¬ 
riginal nations still existing or that have existed on this conti¬ 
nent, and especially within our own territory. Our frontier posts 
will present very favorable opportunities for this. Those ob¬ 
tained from nations still existing should be, if possible, from 
those persons who were well known when living. 
As it is not necessary to have the bones of the head of man 
until they shall have had time to become freed from all fleshy 
covering, no instructions are necessary on this subject. The 
specimen should be carefully packed, and accompanied with a 
label, setting forth the nation to which it belonged; and, if 
known, the name, age, sex, &c. 
The mounds of the Mississippi Valley are known to contain 
an abundance of human remains. Whenever practicable, the 
skulls at least, found therein, with such materials as may be 
found with them, should be preserved. These should be ac- 
