168 ROY L. MOODIE 
Fig. 5 A fish brain from the Coal Measures of Kansas, before preparation, 
as it appeared after the containing nodule had been fractured. Intended to show 
the manner of preservation. This is the brain figured in dorsal view in figure 
6 and in lateral view in figure 17. The encrusting matrix was worked away with 
a needle while the object was under a binocular. The skull bones and cartilage 
had disintegrated and become transformed into a soft phosphate. X 10. 
