Ptilo. 



828 



|^X^\vfvm{,^^^^ 



Ptilodictya (Stictopora) lichenoides ? Meek. A name 



proposed for this polyzoon of the 

 Corniferous limestone^ in Ohio, 

 provided it be not P.gilherti. Pal. 

 Ohio, Vol. 1, 1873, page 195, plate 

 18, fig. 2, which shows only the 

 wrinkled surface of a piece of the 

 axis. Villa, 



Ptilodictya ramosa. See Stic- 

 topora ramosa. // h, 



Ptilodictya serrata. See Stictopora serrata. XIII. 



Ptilodictya shafferL See Stictopora shafferi. Illh, 



Ptilodictya recta, Geology of Canada, 1863, page 158, fig. 



1201 « 120, and 120 (Z, a cross sec- 

 A tion. Trenton formation. 

 lie. 





Ptilophyton plumosum. Diwson. Geol. Hist. Plants, 



page ^^2^ 



fig. 17. 

 Lower 

 carhoni- 

 ferous 

 forma- 

 tion of 

 Nova 

 Scotia. 



LUJSon 



Ptilophyton thomsoni. Dawson, Geol. Hist, of plants, 



Old Red of Scotland. 

 Catskill^ IX. 



Whfi' -f.i^. 



