428 W. M. DAVIS AND S. W. LOPER FOSSILIFEROUS TRIASSIC SHALE. 



Species collected. — All the specimens collected last summer have lately been 

 arranged according to localities and species at the Museum in Cambridge, 

 Massachusetts, and provisionally determined by comparison with figures in 

 Newberry's and Fontaine's monographs. The accompanying table presents 

 the results thus obtained. 



Provisional Table of Species of Fishes and Plants from the Anterior and Postei'ior Shales. 



Anterior Shales. 



PosTERiOK Shales. 



Specie.s. 



Fishes. 



Diplurus longicaudatus, Newb. ... 



Ptycholepis viarshii^ Newb. 



Catopterus redfieldi^ ELrertoii _. 



" gracilis^ J. H. li | 



' ' anguilifo)"mis,W . C. K , 



" tninor, Newb, 



" ornatus, Newb 



Ischypierus fultus, Ag 



" 7nic7'opterus,'Ne\\h..\ 



" m.i7iutus, Newb. i 



" gigas,^e\vh | 



Undetermined ovate form 



Plants. 



+ 



Pachyphylium simile^ Newb ^ -|- 



'' brevifoliu7n,'Ne\yh. -j- 



Otozamites lotior. Sap -f- 



" brevifoliiis^ F. Br -j- 



Clathropteris platyphylla^ Bg. _ . + 



Loperia si7nplex, Newb. -f 



Cycadi7iocarpus chnpini^ Newb._ -j- 



Equisetwm rogersi ( ? j , Sch , 



" sp. und I 



Baiera ^nunsieriajia, Ung + 



Ctenophyllum hraunianuni^ Sch. _ 



Galamite-like stems, with head. -{- 



Undetermined stem, with spines. i -|- 





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