128 



according to their mode of occurrence ; these are of Tertiary age, 

 and sometimes contain organic remains, replaced by phosphate 

 of lime. 



The "West Indian varieties (Sombrero, Eedonda, &c.) contain 

 fragments of bone ; they run rather high in alumina and iron. 



7485, Spanish phosphate, containing 39 per cent, phosphoric acid. 



7491, Connetable 



)> 



5) 



38 



7487, Eedonda 



)) 



„ 



37 



7484, Sombrero 



>j 



it 



34 



7486, Tennessee 



5> 



1> 



30 



7490, Peace River 



)) 



)> 



28 



7492, Land pebble 



)5 



)) 



33 



7489, Florida, hard rock phosphate, containing 36 per cent, 

 phosphoric acid. 



Phosphatised sharks' teeth, shells, reptilian vertebrse, &c., from 

 Florida are also shown. 



Prom Ocean and Pleasant Islands, near the Equator in the 

 South Pacific, are exhibited ; various forms of coral and coral- 

 rock, replaced by phosphate of lime ; oolitic, pisolitic, stalactitie 

 and stratified forms are represented. 



The replacement of the carbonate of lime of the original coral by 

 phosphate of lime is very perfect, such pseudomorphs as those in 

 ease 113, page 171, being very perfect. 



liock phosphates have recently been found in South Australia. 



Case 93. CAHBON. 



Hydrocarbons. Ozokerife ; a mineral wax found in bunches in the oil-bearing 

 strata of Galicia. Specimens of the crude and refined material 

 are shown. 



Kauri Gum ; new Zealand. A polished piece will be found 

 in pyramid case 103. 



Setinite ; a fossil resin, somewhat similar to amber. 



8786, Macquarie Harbour, Tasmania, where it occurs in lumps 

 scattered through a bed oF lignite. 



