RULERS OF THE ANCIENT SEAS 61 
tological life. This, however, really matters 
very little, because scientific names are simply 
verbal handles by which we may grasp animals 
to describe them, and Dr. Le Conte, to show 
how little there may be in a name, called a 
beetle Gyascutus. Owen’s name of Zeuglodon, . 
_ although not tenable as a scientific name, is 
too good to be wasted, and being readily re- 
_ membered and easily pronounced may be used 
as a popular name. 
One might think that a creature sixty or 
seventy feet long was amply long enough, but 
_ Dr. Albert Koch thought otherwise, and did 
with Zeuglodon as, later on, he did with the 
Mastodon, combining the vertebre of several 
individuals until he had a monster 114 feet 
long! This he exhibited in Europe under the 
name of Hydrarchus, or water king, finally 
_ disposing of the composite creature to the 
Museum of Dresden, where it was promptly 
reduced to its proper dimensions. The nat- 
ural make-up of Zeuglodon is sufficiently com- 
posite without any aid from man, for the head 
and paddles are not unlike those of a seal, the 
ribs are like those of a manatee, and the shoul- 
