1 -2 Catalogue of Museums. 



CLASS CEPHALOPODA. 



ORDER TETRABRANCHIATA FAMILY AMMONITID^. 



1*79 — Ammonites placenta. Very large fossil shell, one foot 

 in diameter, showing branched and complex septa. 



"Bad Lands," near Black Hills, Dakota. 



180 — Baculites sp.? Baculite. With pearly shell, well pre- 

 served. 



"Bad Lands," near Black Hills, Dakota. 



18 L — Baculites sp.? Baculite. Shell wanting, septa very 

 distinct. 



"Bad Lands," near Black Hills, Dakota. 



182 — Scaphites nodosus. Shell well preserved. 



"Bad Lands," near Black Hills, Dakota. 



183 — Scaphites nodosus, with Baculites. 



"Bad La,nds," near Black Hills, Dakota. 



184 185 — Nautilus De Kayi. Showing pearly shell and the 

 siphuncle. 



"Bad Lands," near Black Hills, Dakota. 



186 — Fossil Turtle. Large specimen, showing plates and 

 sutures of carapace and plastron. Colored reddish 

 from presence of Iron Oxide. 



"Bad Lands," near Rapid City, Black Hills, Dakota. 



18*7 — Skull of fossil carnivore, showing large canines and 

 other teeth. 



"Bad Lands," near Black Hills, Dakota. 



The foregoing is but a portion of the collection made by the 

 writer in the summer of 1885. Before it was damaged and scat- 

 tered by the tornado of J 887, this collection numbered 767 spec- 

 imens. 



