FOSSIL FISHES. 173 



which occurs to the student of fossils to trace, 

 unravel, and restore the different parts of animals 

 which apparently have so long since ceased to 

 exist. The first is a species from the genus Lates, 

 Cuvier, (described p. 101,) and of which a con- 

 siderable number of species in a fossil state are 

 already known ; it is tlie 



