222 THE ICE AGE IN CANADA. 



CLASS I. MOLLUSCOIDEA. 



Sub-Class \.-Polyzoa. 

 Membranipora catenularia. Jameson. 



Fossil Beauport ; Labrador ; Riviere-du-Loup. 

 Recent Gaspe ; * Labrador (Packard). 



Membranipora Lacroixii. Audouin. 

 Fossil Riviere-du-Loup. 

 Recent Gaspe ; Labrador (Packard). 

 Entirely agrees with recent examples from Gulf of St. Lawrence. 



Membranipora lineata. Linn. 

 Fossil Riviere-du-Loup. 

 Recent Gaspe. 



Membranipora pilosa. Linn. 

 St. John (Matthew). 



Hippothoa expansa, Dawson. 



Fossil Beauport ; Riviere-du-Loup. 



Recent Gaspe ; Labrador ; Maine (Packard). 



Schizoporella hyalina. Johnston. 



Fossil Beauport ; Riviere-du-Loup ; St. John (Matthew). 

 Recent Gaspe. 



Lepralia pertusa. Esper. 



Fossil Beauport ; Labrador ; Riviere-du-Loup. 

 Recent Gaspe ; Labrador (Packard). 



Lepralia quadricornuta. Dawson. 

 Fossil Leda clay, Montreal. 

 Not yet found recent. 



Mr. T. Curry, of Montreal, has recently found specimens in a very 

 perfect state. They show that the cells are sculptured in a papillo- 

 striate manner, and that the ovi-capsules are globular and granulate. 

 Some cells have a projection for a vibraculum or avicularium at one 



* The references to Gaspe are from my list contributed to the Rept. 

 Geol. Survey, 1858 Bell and Richardson, collectors ; and from subse- 

 quent dredgings by myself and Mr. Whiteaves. 



