Vil. HETEROMORPHA. 
1. PETREFACTA vera." 
. Anthropolithus. 
Zoolithus. 
Ornitholithus. 
Ichthyolitus. 
Amphibiolithus. 
Entomolithus. 
Helmintholithus. 
Zoophytolithus. 
onchyliolithus. 
CGoraliolithus. 
Phytolithus. 
HA 
3. FIGVRATA. 
Lithomorphus.  . 
Lithoglyphus. 
: ; 
A 
wt 
hy 
- I. ME- 
