Plate LI Continued. 



PAGE. 



Fig. 5. FENESTELLA CESTBIENSIS Ulr 547 



5. Eeverse side of a frond showing narrowly rounded brandies and irregu- 



larly distributed nodes, x9. 



Chester group, Sloan's Valley, Ky. 



E. 0. Ulrieh's colle3tion. 



5 a. Thin section, x!8, showing foim of zoopcia at diferent levels. 

 5 b. Obverse face, x9, showing the relative size of branches and fenestrules, 



the thin carina;, and the small nodes on same. 



Chester group, Kaskaskia, 111. 



Illinois State Museum. 



.Ihlail- l.n* w"-niui oriJ unr/c-rt- .fl-jo* ii'.mh>-i 1J >dt 

 Fig. 6. FENESTELLA FUNICULA Ulr -,(2 



6. Obverse side of a specimen, x9, showing the lax growth, cord-like carina 



and the peculiar zooecia apertures. 

 Keokuk group, Keokuk, Iowa. 

 E. 0. Ulrkh's collection. 

 HK. 



.(UT'l Hll'Jlf /< . 



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 i-fi.iiiici ni -i i ot Jar mix v>q 





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