THEIR USE IN CORRELATION 101 



PLATE 4 



Fig. 1. — Alati-sporites varius sp. nov. holotype, maceration 543-B Slide 7, No. 5 coal bed, Fulton 

 County, Illinois, dimensions including bladders are 116.8 X 128.5 microns. 



Fig. 2. — A. inflatus sp. nov. holotype, maceration 54-3-C Slide 6, No. 5 coal bed, Fulton County, 

 Illinois, dimensions including bladders are 120.4 X 129.6 microns. 



Fig. 3. — A. trialatus sp. nov. holotype, maceration 543-B Slide 20, No. 5 coal bed, Fulton County, 

 Illinois, dimensions including bladders are 90.3 X 98.2 microns. 



Fig. 4. — A. punctatus sp. nov. holotype, maceration 576 Slide 4, New Haven coal bed, White 

 County, Illinois, dimensions including bladders are 102 X 98.7 microns. 



Fig. 5. — A. hexalaUts sp. nov. holotype, maceration 519-A Slide 1, Dekoven coal bed, William- 

 son County, Illinois, dimensions including bladders are 76.5 X 78.6 microns. 



Fig. 6. — Rct'iculati-spor'ites scrobiculatus sp. nov. holotype, maceration 574 Slide 14, Shoal Creek 

 coal bed, Bond County, Illinois, dimensions are 109 X 111 microns. 



Fig. 7. — R. muricatus sp. nov. holotype, maceration 600 Slide 2, LaSalle coal bed, Bureau Coun- 

 ty, Illinois, dimensions are 84 X 91.2 microns. 



