• INDEX TO PLATES. 



PeOCTERIA Plates. 



miclielinoidea 41 



papillosa 41 



Thecia 



major 34 



minor 34 



ramosa 35 



swindernana 34 



vetusta 34 



COLUMNAR! D^. 



Columnaria 



alveolata 6, 7 



stellata 7 



HALYSITIDiE. 



AULOPORA 



cornuta 73 



culmula 73 



edithana 73, 76 



precius 97 



procumbens 73 



pygmoea 73 



serpens 74 



DiORRYCHOPORA 



tenuis 74 



Drymopora 



auloporoidea 72 



commensalis 70 



fascicularis 70, 74 



frutectosa 72 



intermedia 72, 74 



nobilis 71 



