THEIR USE IN CORRELATION 107 



PLATE 7 



Fig. 1. — Denso-sporites triangularis sp. nov. holotype, maceration 144 Slide 3, "Sub-Babylon" 

 coal bed, Fulton County, Illinois, dimensions are 58.8 X 58.8 microns. 



Fig. 2. — D. indignabundus (?) (Loose) S. W. and B., 1944, maceration 618 Slide 2, Reynolds- 

 burg bed, Johnson County, Illinois, dimensions are 70.3 X 77.1 microns. 



Fig. 3. — Cirr air ir adit es difformis sp. nov. holotype, maceration 625-B Slide 7, Willis coal bed, 

 Gallatin County, Illinois, dimensions are 63 X 53.5 microns. 



Fig. 4. — C. annulatus sp. nov. holotype, maceration 540-C Slide 6, No. 6 coal bed, Fulton Counly, 

 Illinois, dimensions are C9.2 X 98.6 microns. 



Fig. 5. — C. rotatus sp. nov. holotype, maceration 625-B Slide 7, Willis coal bed, Gallatin County, 

 Illinois, dimensions are 50.4 X 50 microns. 



Fig. 6. — C. annul if or mis sp. nov. holotype, maceration 596-A Slide 8, No. 6 coal bed, Vermilion 

 County, Illinois, dimensions are 84 X 82 microns. 



Fig. 7. — Endosporites plicatus sp. nov. holotype, maceration 573 Slide 6, No. 8 coal bed, Macoupin 

 County, Illinois, dimensions are 86.1 X 81.4 microns. 



Fig. 8. — E. vesicatus sp. nov. holotype, maceration 542-B Slide 1, No. 8 coal bed, Peoria Counly, 

 Illinois, dimensions are 73.5 X 136.5 microns. 



Fig. 9. — E. formosus sp. nov. holotype, maceration 490-A Slide 5, McCleary's BluT coal bed, 

 Wabash County, Illinois, dimensions are 117.6 X 105 microns. 



