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Figure 9a Organized element resembling a 

 Dinoflagellate cyst focused to show the ridges 

 and canals of its surface. Magnification 770 x . 



Figure 9b Same object focused on the sur- 

 face appendages. Magnification 770 x . 



Figure 10a A type 2 organized element from 

 the Orgueil meteorite. Magnification 590 x . 



Figure 10b A similar object from the Ivuna 

 meteorite shown in UV light. Ribs appear in 

 the interior of the organized element. Mag- 

 nification 400 X . 



Figure 10c Petrographic thin section of the 

 Ivuna meteorite seen in UV light, showing an 

 organized element in a magnesium sulfate 

 vein. Magnification 400 x . 



Figure 10d The same organized element in 

 UV light after the blueish colored fluores- 

 cense of the mineral material had been elimi- 

 nated by an appropriate set of filters. Mag- 

 nification 400 X . 



