904 
til old age. At one extreme of astronomy 
are problems of the universe ; but at the 
other is the recognition of the more conspic- 
uous stars. 
Mere memorizing becomes more and more 
irksome and difficult with age, while the 
youthful mind has been well characterized 
SCIENCE. 
[N. 8. Von. VI. No. 155. 
potamus, rhinoceros, hypotheneuse, appendia and 
chrysanthemum. 
Other things being equal, the readiness 
with which a new term is assimilated is in 
direct ratio with the completeness of the 
impression associated therewith. The pu- 
pils who succeed in remembering the names 
Fig. 1. 
as ‘ wax to receive and adamant to retain.’ 
Hence the desirability of the early acquisi- 
tion of the main facts and terms of neurol- 
ogy. 
Children have no prejudices against 
words of classical origin. Hippocampus, 
rhinencephalon, hypophysis, fornix and calloswm 
would be accepted quite as readily as hippo- 
postoblongata 
Base or ventral aspect of the sheep’s brain with the eyes attached ; slightly enlarged. From the 
writer’s ‘ Physiology Practicums,’ second edition, 1895. 
of mountains (¢. g., Himalayas) which few 
can anticipate visiting, and of ancient war- 
riors (e. g.. Agamemnon) whose features are 
unknown to them, will promptly accept and 
firmly retain the designations of parts of 
their own bodies, especially when those same 
parts, obtained from animals, are not merely 
seen by them, but handled and dissected. 
