LIST OF SPECIES DESCRIBED. 



465 



SECTION VI. 

 LIST OF FOSSILS DESCRIBED IN THIS EEPORT, 



POTSDAM GKOUP. 



Name. 



Locality. 



Page. 



PLANTiE. 



Pahi'ochortla prima, ii. sp 



Head of Kedwater Valley . .. 



331 

 332 

 333 



33:5 



335 

 336 

 337 

 337 

 33H 

 339 

 340 



341 

 343 



Pala'opliyciis occideiitalis, n. sp 



do 



" sp. undctermiiied 



do 



INCERTECEDES. 



Arenicolithua, sp. ? 



Near Warren Peaks 



BRACHIOPODA. 



Lingulepis pinnaformis Owen . . . 



Red Canon Creek 



do 



cuneolus ii. sp 



perattenuatus, n. sp. 



do 



dakotensis M. & H 



Castle Creek 



Obolus ? pecteiioids Whitf 



do 



Obolella polita Hall 



Redwater Canon 



do 



iiaiia M. & H 



CRUSTACEA. 



Crepicephalns (Loganellus) centralis, n. 8i> 



planus, u. sp ...... . . . 



Castle Creek 



do 



1 



JURASSIC. 



RADIATA. 



Asterias ? diibiuui, n. sp 



Pent.acrinus asteriscus M. & H 



BRACHIOPODA. 



Lingnla brevirostris M. & H 



Rbyncbonella myrina H. &. M 



LAMEIXIBRAXCHIATA. 



Ostrea strigilecula VVbite 



Gryi)ba;a calceola var. nebrasceusis M. & H 



Pecten newberryi, n. sp 



Camptonectes bellistriata Meek 



extenuatus M. & H 



30 B H 



Spcarfish Creek 344 



Biff Horn Mountains 345 



Spearfish Creek 346 



Red Canon Creek 347 



Belle Fourche River, Sun Dance Hills, and 348 

 near Beaver Creek. | 



Biff Horn Mountains 'M9 



West of the Black Hills -I'^O 



(September 12 and 20) 351 



East of the Belle Fourche | 353 



