[ 159 1 



54' Humus. Mould. Earth : of vegetable ori- 

 gin. 



Particles : dry, light, in the 

 form of fine pawder. 



In water : fwelling. 



In fire : combuitible, and 

 leaving aDies. 



Species of Fossils.' 

 The FOSSILIA are divided into three Orders.: 

 I. PETRIFICATA. Figured or extraneous 



Fomis, 



36. ZooLiTHUs. PetrlfaSIions of MsLmmdMa. 



1. Hominis ; Bones of 



Men ; and in one 

 inftance of the 

 whole body. 



2. Cervi ^ remains of the 



Cervus T arandus^ 

 or Rein Deer, dug 

 up in Ireland.— 



Vide Lowthorp^^ 

 Abridgment, vol. 

 ii. p. 432. 



3. Ebur Foffile ; Fofftl 



Ivory, 



4. Turcofa; "Tur^uoife, 



teeth tinctured by- 

 Copper. 



37, Ornitholithus. Petrifa5fions of Birds, 

 and their Nefts, 



Thefe are fcarce, and are ufually Jiala5iitical 

 incruftations only. 



38. Amphi- 



