THEIR USE IN CORRELATION 125 



PLATE 16 



Fig. 1. — Cadiospora magna sp. nov. genotype, maceration 600 Slide 15, LaSalle coal bed, Bureau 

 County, Illinois, dimensions are 117.6 X 111.3 microns. 



Fig. 2. — Laevigato-sporites medius sp. nov. holotype, maceration 578 Slide 5, Scottville coal bed, 

 Macoupin County, Illinois, dimensions are 42.1 X 28.3 microns. 



Fig. 3. — Punctati-sporites minutus sp. nov. holotype, maceration 584 Slide 7, Woodbury coal 

 bed (?), Jasper County, Illinois, dimensions are 29.4 X 28.7 microns. 



Fig. 4. — P. vagus sp. nov. holotype, maceration 694 Slide 5, Shelbyville coal bed, Shelby County, 

 Illinois, dimensions are 65 X 63 microns. 



Fig. 5. — Lycospora parva sp. nov. holotype, maceration 591-B Slide 5, No. 7 coal bed, Vermilion 

 County, Illinois, the overall dimensions are 26.2 X 29.4 microns. 



Fig. 6. — Laevigato-sporites obscurus sp. nov. holotype, maceration 576 Slide 14, New Haven coal 

 bed, Gallatin County, Illinois, dimensions are 32.5 X 29.4 microns. 



