FOSSIL FISHES. 1 73 



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 the 



