X] 



EUCALAMITES. 



377 



Weiss^ has subdivided this species into several ' forms/ which he 

 bases on the number of branch-scars on each node and on other 

 characters; a more extended subdivision of C. cruciatics has 



Fio. 102. CalamitCH {Eucalamites) cnicidtuSf titurnb. 



From a specimen in the Barnsley Museum, Yorknhire. ( nat. 



WeiBs (84), p. 96. 



