Carboniferous PaZcBOTus<zidiB . 



Plate XX. 



Fig 3 





4^,. M i 



F16. 3. 



--> 





■^ 



^^8%* 





Fig 6. 





Fig. 8. 



From NaLuri; by 7. r * IP • Tl 



M!F*ri.ne * Erslnjw liH I- 3-.. 



