220 



T. C. CIIAMBERLIN THE GREATER EARTH 



An upper TURBULENT ATMOSPHEKIC ZoNE 



In Diagram IV we come closer home to the dynamic features of the 

 earth-body itself. On the way, however, let us take advantage of the 



MS, 



DIAGRAM E. 



5i.a|e about -496,000,000,000 



Figure 4. — Diagram illustrating dynamic Features of the Earth-'body 



M. S., upper limit of meteor streaks, 80 to 90 miles above surface ; M. T. and M'. T'., 

 upper and lower limits of zone of meteor trains, 70 ± to 40 ± miles ; S. B., surface of 

 earth-body ; broad black line represents surflcial diastrophic zone ; 1/2 V. marks division 

 of earth's volume into outer and inner halves ; A. E. S. W., approximate border of 

 spheroid of anomalous effect on seismic waves ; also hypothetical surface of earth core ; 

 C, center of earth. 



larger scale to visualize a neglected feature of the upper collisional at- 

 mosphere. The outer thin line, M. S., represents the upper limit at which 



