168 SUBDIVISIONS OF THE CARBONIFEROUS SYSTEM 



Riversdale District. Fossils from this locality were 

 obtained along the Black River branch of the Salmon River, 

 along the Calvary Brook, just east of Riversdale ; also in the 

 numerous cuttings along the line of the Intercolonial Railway 

 between West River Station (Pictou County) and Riversdale 

 Station (Colchester County). 



In the rather fine grained dark gray or greenish gray 

 arenaceous and black or dark carbonaceous shales of the cuttings 

 along the I. C. R., plants, as well as animal remains, occur. 

 Amongst the groups of organic remains examined and reported 

 upon up to date are a series of plants sent to Mr. Robert Kidston 

 of Stirling, Scotland. The entomostraca were submitted to 

 Prof. T. Rupert Jones, F. R. S., and the Crustacea (Podophthal- 

 mata) to Dr. Henry Woodward. 



PLANTS. 



1. Arterophyllites acicularis, Dawson,( = Calamocladns equi- 



setiformis, Schl.) 



2. Sphenopteris marginata, Dawson. 



3. Neuropteris, sp. 



4. Alethopteris, sp. ; allied to Alethopteris valida, Boulay. 



5. Cordaites principalis, Germar. 



6. Robbii, Dawson. 



7. Cyclopteris (Nephropteris) varia, Dawson. 



8. Calamites, sp. (?) 



9. Cardiocarpum cornutum, Dawson. 



CRUSTACEA, (Xiphosura). 

 Belinuridce. 



1. Belinurus grandsevus, Henry Woodward and T. R. Jones. 



CRUSTACEA, (Entomostraca). 

 Phyllopoda. 



1. Leaia tricarinata, Meek and Worthen. 



2. Leaia Leidyi, var. Baentschiana, Beyrich and Geinitz. 



3. Estheria Dawsoni, Jones. 



