214 



r. H. EDftE WORTH. 

 Text-fig. 41. 



IjW l\u»wL 





Text-fig. 42. 



41. 



42. 



Text-figs. 41-43. — Ceratodus, eiiiljiyo staj^e 42 ; transverse sec- 

 tions. Text-fi<;j. 41 is the most anterior ; the left side of the 

 sections is slit;'htly anterior to tlie ri<;-lit side. 



