Meinschein et al. : Evidence in Meteorites of Former Life 565 



top toward the bottom of each x column. However, there are exceptions. 

 Certain ions have peak heights which exceed or approach in size peaks imme- 

 diately above them on the data sheets. These anomalously large peaks provide 

 structural and distributional information about some of the compounds in 

 mixtures of saturated hydrocarbons. 



Table 7 



Mass Spectrum of w Heptane Eluate from Silica Gel of the 2-Murray 20-Hour 

 Extract. Saturated Hydrocarbon Fraction 



Total ionization = 127759.59 



Humble paraffin-naphthene type analysis in percentage 



Paraffins 16.49 



Noncondensed naphthenes 17.28 



2-Ring naphthenes 18.06 



3-Ring naphthenes 13.87 



4-Ring naphthenes 13.18 



5-Ring naphthenes 10. 12 



6-Ring naphthenes 10.99 



Total 



100.00 



