PLATE 2. 



Fig. 1. 382. 1. Arthrophycus harlam. (Pag- 5-) 



1 a. A fragment, .showing tho base of a large stem which ilivergcs into numerous branches. 

 1 6. A similar fragment, showing a second bifurcation above tlic first. 



Specimens like the above are of rare occurrence. 

 1 c. A fragment of a branch somewhat spirally twisted and flattened. This specimen gives evidence tliat the 

 plant grew in an erect or a suberect position, and that the pre.s.surc from above caused it to assume itj 

 present form. The fragment shows also two broken stems with bifurcating branches. 



Fig. 2. 383. 2. Arthrophycus ? ( Pag. 6.) 



Fig. 3. 384. 2. ScoLiTHUs verticalis. (Pag. 6.) 



