APPENDIX E. — PALAEONTOLOGY. 407 



!N. B. The colours on the map of the travelled route are — 



Blue Carboniferous limestone. 



Green Cretaceous formation. 



Yellow Tertiary formation. 



(In some places not indicated by colour.) 



Black Coal-beds. 



Red Metamorphic rock. 



On the Great Salt Lake map are — 



Red Metamorphic rock. 



Blue Limestone. 



Yellow Sandstone and conglomerate beneath the 



limestone. 



NOTES UPON SOME OF THE FOSSILS COLLECTED ON TH^ ROUTE FROM 

 THE MISSOURI RIVER TO THE GREAT SALT LAKE, AND IN THE VICI- 

 NITY OF THE LATTER PLACE, BY THE EXPEDITION UNDER THE 

 COMMAND OF CAPTAIN HOWARD STANSBURY, T. E. 



The species described in the following paragraphs are either 

 from limestone of the carboniferous period or from strata nearly 

 associated, and which, from their character and relations, are 

 clearly of the same age. The other fossils of the collection con- 

 sist of a few cretaceous species, and of numerous fragments of 

 bones from the tertiary formation. ^ 



The brachiopods were collected to the eastward of the Salt Lake 

 region, and the corals are abundant in the limestone to the west 

 and north-west of the Salt Lake. The few acephala are from argil- 

 laceous beds between Fort Laramie and the Salt Lake. 



CORALS. — CYATHOPHYLLlDEiE. 



Faviphyllum? rugosum, (n. sp.) 



Plate I. Fig. 1 a and 1 b. 



Cells deep ; structure of the centre unknown ; external portion 

 cellular, with transverse septae and vertical intermediate dissepi- 

 ments, giving a columnar structure. 



