56 Shimer and Blodgett — Mb. Taylor Region, New Mexico. 



the base of the agglomerate neck illustrated in fig. 2, on the 

 western side of the road. This neck is composed almost en- 

 tirely of agglomerate with very many huge bowlders of sandstone, 

 shale, etc. The approximately horizontal shaly sandstone of 



A volcanic neck of agglomerate, one mile southwest of Salazar. The 

 septaria bed is somewhat in the foreground. The black shale occupies the 

 main portion of the slope and is capped by a resistant sandy bed. 



the surrounding strata has been baked black for three feet from 

 the neck. The fossils identified from this locality were : 



Placenticeras ? rotundatum Johnson 

 ? Prionocyclus Wyoming ensis Meek 



Lima utahensis Stanton 



Stavtonoceras stantoni Johnson 



Scaphites sp. 



Turritella whitei var. stantoni S. and B. 

 ? Ostrea lugubris Conrad 



Turritella whitei and Ostrea lugubris, according to Stanton, 

 do not occur above the Colorado formation. Prionocyclus 

 wyomingensis is characteristic of the Fort Benton. Lima 

 utahensis occurs with a Colorado fauna in the upper Kanab 

 valley, Utah. Placenticeras f rotundatum is found by Johnson 

 in the Fort Pierre of the Cerrillos Hills, New Mexico, while 



