PLATE V. 



i"age. 



s. 1-6. Protopbyllocladiis subintegrifolius (Lesq.) Berry 36 



7. Czekanowskia dicliotoma (Heer) ITeer? 36 



S-12. Tricalycites papj'raceus Newb 109 



13-22. Tricalycites major HoUick 108 



23. Calycites obovatus n. sp 109 



24. Calycites akitus Hollick 109 



26, 26. Wiiliamsonia Riesii Hollick 107 



27-32. Wiiliamsonia problematica (Newb.) Ward 107 



140 



