25 
year. The total will be found not to tally with the records 
upon the table, as some specimens have died from injury 
and some were decomposed. Moreover, in many instances 
animals are included in the figures of more than one head- 
ing, since lesions of importance may have been found 
in more than one of the anatomical systems. It is seldom 
the case that only one of the systems is sufficiently affected 
to be the only cause of death. 
