156 REVISION OF THE PELYCOSAURIA. 



maxillary and tlie dentary. Two things are worthy of note in the study of 

 the relations of the two. i. It is not proven that Edaphosaurtis had two 

 temporal vacuities, though I believe it to have been the case. 2. The new 

 genus of V. Huene, Anomosmirus, which he believes to be a Pelycosaurian, 

 and which is certainly very closely related to the suborder, comes from not 

 only the same horizon, but even from the same locality as Placodus (103), 

 and some of the described vertebrae at least may belong to it. Should this 

 turn out to be true it may be that future discoveries will also show that 

 Edaphosaiirus occupies an ancestral position to the Placodontia. 



