22 
VII. HETEROMORPHA, 
1. PETREFACTA veta, 
Anthiopolithus. 
Zoolithus. 
Ornitholithus, 
Ichrhyolithus. 
Amphibiolithus, ( 
Entomolithus. - ■ ' 
Helmintholirhus, / 
Zoopliytolitlnis’. 
Conchyliolithus, 
Coralliolithus. 
Phytolithus. 
s. PETREFACTA fputi^. 
TypoHthus. 
Metrolithus. 
Incruftatum. 
Induratum. 
^ Terrefafluin. 
3. FIGVRATA. 
Lithomorphus, ' 
Litlioglyphus. 
I. ME 
