New Lower Silurian Bryozoa. 



179 



PHYLLOPORINA SUBLAXA, n. Sp. 



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Fig 6 —Phylloporina sublaxa, n. sp. a, fragment of this species. 6, portion of same, 

 x9, showing strongly striated character of the reverse in young or exfoliated exam- 

 ples, c, obverse side of another specimen. x9. d, tangential section. xl8, showing 

 appearance of zooecia at varying depths, g, two transverse sections of branches, xl8. 

 /, a rather loosely woven example from Tennessee, natural size. 



