ot 
(414) 
PLATH XIX. 
PTILODICTYA FRONDOSA Th. SPe. ck wie te ele ee ce we 
Vertical and tangential sections. Nearpass section, Lo- 
cality ZAS (x24). 
. Views of two zoaria, separated along the mesothecal layer. 
Same locality. 
PHABNOPORA PLATY PHYLA is ANUS.) + c6 ste) sieteie eels euerenen ene 
One of the type specimens, separated along the mesothecal 
layer. Pal. Coll. Walker Museum, University of 
Chicago, No. 641. 
. Tangential and vertical sections of the same. (x 24). 
ESCHAROPORA SITLURIANA VT. SP... eee eee ce ew eee 
Two incomplete zoaria, separated along the mesothecal 
layer. Nearpass section, Locality 2A.” 
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