86 THE CANADIAN NATURALIST. [April 



others, if the country were to experience another elevatory move- 

 ment. On the third terrace I observed a few large Laurentian 

 boulders, and some pieces of red and gray shale of the Quebec 

 group, indicating the action of coast-ice when this terrace was 

 cut. On the higher terrace there were also a few boulders ; and 

 both terraces are capped with pebbly sand and well rounded gravel, 

 indicating the long-continued action of the waves at the levels 

 which they represent. 



LIST OF POST-PLIOCENE FOSSILS FOUND AT RIYIERE-DU-LOUP 



AND CACOUNA. 



Those marked thus * have not previously bean noticed as occurring in the 



Canadian Post-pliocene. 



FORAMINIFERA. 



Polymorphina lac tea, Adams. 



Nonionina Scapha, F. and M., and var. Labradorica, Dawson. 



Polystomella striatopunctata, F. and M. 



Biloculina ringens? Lam. 



Entosolenia costata, Williamson. 



* Truncatulina lobulata, W. and T. 



* Rotalina? turgida, Williamson. 



Note. — Since the publication of my former list of Foraminiferafrom tb9 

 Post-pliocene of Canada (Can. Nat., vol. iv, 1859), I have found at 

 Montreal, Nonionina scapha F. and M., Dental ina pyrula D'Orbigny, and 

 Orbulina universa D'Orbigirv. Messrs. Parker and Jones have also 

 kindly revised my former list, and concur in all the determinations, with 

 the exception of Polystomella umbilicntula, which they refer to P. striato- 

 punctata, and Bulimina auriculata Bailey, which they refer to B. pyrula 

 D'Orbigny. 



PORIFERA. 



* Halichondria — Silicious spicules. 



ECHINODERMATA. 



Echinus granulans, Say. 



POLTZOA. 



Lepralia Belli, Dawson. 

 L. pertusa, Thompson. 



* L. producta, Packard. 



* L. trispinosa, Johnston. 

 L. hyalina, Fabr. 



* L. ventricosa, Hassel. 



* Diastopora obelia, Johnston. 

 Tubulipora flabellaris? Johnston. 

 Hippothoa expansa, Dawson. 



H. catenularia ? Johnston. 



