Cretaceous Fossils from Vancouver. 467 



of the Pierre-Fox Hills or Montana formation of Manitoba, the 

 North-west Territories, and the Upper Missouri country ; also, in 

 a. general way, of the Upper Chalk of England and the Senonian 

 of the Continent. Dr. Kossmat correlates it more particularly with 

 the upper part of the Senonian. The fossils of this group are very 

 similar to those of the higher beds of the Upper Cretaceous in the 

 Island of Saghalien, in Japan, and Southern India. On the other 

 hand, they very distinctly diifer from those in the somewhat older 

 Cretaceous rocks of the Queen Charlotte Islands, and only a few 

 species are common to both formations. 



With the exception of a single species of TJnio and a few doubtful 

 gasteropods, the Nanaimo fauna is exclusively marine. The following 

 are the more salient features of the fauna as enumerated by the 

 author : 



Fishes. — These are very few, and only comprise vertebrae of 

 teleosts, the centrum of a vertebra of a Selachian which, in an 

 earlier part, had been described as a new species of Discina, and 

 teeth of Lamna appendiculata. The fish remains had been submitted 

 to Dr. A. Smith Woodward, F.R.S. 



Crustacea. — The Decapoda are fairly numerous, and nine species 

 have lately been described by Dr. Henry Woodward, F.E.S. They 

 belong to the following genera : PlagiolopTius, Falceocorystes, 

 Callianassa, Moploparia, Enoploclytia, Eryma, Meyeria f, Glyphcea, 

 and Zinuparus. 



Aminonitid(B. — The genus FacJiydiscus is largely developed, and 

 no fewer than eight species are enumerated or described. They 

 have been studied by Dr. F. Kossmat of Vienna, and directly 

 •compared with allied species from Southern India and Europe. 

 No species of PacJiydiscus has yet been discovered in the Cretaceous 

 of the Queen Charlotte Islands. Bacidites likewise does not occur 

 in these Islands, though one species is very common in the Nanaimo 

 group. 



Gasteropoda. — A small smooth species of Cyprcea is present ; 

 there are also three large species probably belonging to Mesostoma, 

 Deshayes ; a Solariella hardly distinguishable from S. radiatula, 

 Forbes, from the Cretaceous rocks of Saghalien and Southern India ; 

 and a large limpet-like shell, which is probably only a variety 

 of Selcion giganteus, from the Cretaceous of Saghalien. 



Felecypoda. — A considerable reduction has been made in the 

 number of species of Inoceramns, as both the I. undidatopUcatus, 

 Koemer, and I. mytilopsis, Conrad, are now considered to be 

 synonyms of I. digitatns, Sowerby, which occurs in the Cretaceous 

 of Texas, Nebraska, and Saghalien, Also a species of TJnio has 

 been found, apparently distinct from Z7. Hubbardi, Gabb, from the 

 Queen Charlotte Island Cretaceous. 



The new forms are illustrated in the accompanying plates, and 

 a list of the fossils of the Nanaimo group is appended ; there is 

 also an index to the generic and specific names occuring in the 

 volume. 



