18 
CENTRAL HALL. 
recent volcanic eruptions in the West Indies) devoted to- 
the Introductory or Elementary Morphological Collection, 
designed to teach the most important points in the struc- 
ture of certain types of animal and plant life, and the 
terms used in describing^ them. This has been called the 
Fig. 6. 
Trijpanof<oma hriicei, tlie jjurasite of Xajiana, ov Tsetse-Fly disease, in blood of 
donkey (x about '^..^od). 
" Index Museum," as it was thought at one time that it' 
would form a sort of epitome or index of the main collections 
in the galleries ; but the name does not exactly express what, 
it lias developed into. It is really more like the gcneralj 
introduction ]>receding the systematic portion of treatises on; 
