DESCRIPTION OF PLATE 28. 
Fistulipora willisiana Girty (p. 305). 
I. 
2 
2. 
Tangential section, X 20. 
Tangential section, X 35. 
Pre-Pennsylvanian (?), near T'a-miau-ssi (station 8). 
Fistulipora waageniana Girty (p. 316). 
ae 
4. 
Cs 
Vertical section, X 20. 
‘Tangential section through the superficial portion of the mature region where the interzocecial spaces 
are filled in with tissue so arranged as to give a polygonal aspect to the cells. XX 20. 
‘Tangential section, X 20. Usual appearance in the mature region below the outer thickened layer. 
Here the zocecia are round, with a distinct investing wall and with small but distinct lunaria. 
Pennsylvanian (Wu-shan limestone), near T'a-ning-hién (station 2). 
Batostomella meekana Girty ((p. 315). 
6. 
ie 
Tangential section, X 20. 
Tangential section, X 35. 
8. Vertical section, X 35. 
Pennsylvanian (Wu-shan limestone), near Ta-ning-hién (station 4). 
Geinitzella chinensis Girty (p. 315). 
9. 
10. 
Il. 
12. 
13. 
14. 
Vertical section, X 20. 
Tangential section, X 20. ‘The aspect of the walls is shown in the immature and early mature 
regions. 
Tangential section, X 35. The acanthopores are large and open, and vary in shape and size. 
Tangential section, X 20. The acanthopores are seen to be open. ‘The fact that they indent the 
zocecial walls betrays their real character as acanthopores instead of mesopores. 
Tangential section, x 20. A section through the mature region, showing the usual characters. 
Pennsylvanian (Wu-shan limestone), near Ta-ning-hién (station 1). 
Fragment, natural size, from another locality. 
Pennsylvanian (Wu-shan limestone), near ‘Ta-ning-hién (station 4). 
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