Pal/eontographical Society, 1902. 

 british graptolites. part i. 



PLATE VI. 





1 



I 



H. 





^ 



\ I 



is 



X 



1 



i M (| 



3a. 3b. 3c. 



\ 



E. M. R. Wood, d,!. 



%. 



^^ 





4e 



III 





TETRAGRAPTUS AND SCHIZOGRAPTUS. 



AVw/v-»v, //,/., /;,.,/y. 



