370 THE CANADIAN NATURALIST. [Vol. vi. 



than in any part of the Gulf of St. Lawrence with which I am 

 acquainted. I have also to acknowledge the use of specimens 

 from Greenland, from Prof. Morch; from Norway from Mr. 

 Mc Andrew ; from Nova Scotia from Mr. Willis ; as well as the 

 use of the large and valuable collections of Dr. Carpenter and 

 Mr. Whiteaves. 



All the references in the following pages, except where authors 

 are quoted, and many of these last, have been verified by myself 

 by actual comparison of specimens. 



The principal works to which I have referred in the publica- 

 tion of the catalogue are the following : 



Beechey's Voyage, Natural History Appendix. 



Belcher's Last of the Arctic Voyages, do. 



Bell, Report on Invertebrata of Gulf of St. Lawrence. 



Busk, Polyzoa of the Crag. 



Crosskey on Post-pliocene of Scotland. 



Fabricius, Fauna Groenlandica. 



Forbes and Hanley, British MoUusca. 



Gould, Invertebrata of Massachusetts, edited by Biuney. 



JeiFreys' British Conchology. 



Lyell on Shells collected by Capt. Bayfield ; and Travels in 



North America. 

 Matthew on Post-pliocene of New Brunswick. 

 Middeudorfi", Shells of Siberia. 



Packard on the Glacial Phenomena of Labrador and Maine. 

 Prestwich on the English Crag. 

 Sars on the Quaternary of Norway. 

 Stimpson, Shells of Hayes' Expedition, &c. 

 Whiteaves, Lists of Shells from Gulf of St. Lawrence, Canadian 



Naturalist. 

 Wood, Crag Mollusca. 

 Willis, Lists of Shells of Nova Scotia. 



Class L — Heterobranchiata. 



Sub-Class I. — Pohjzoa. 



Hlppothoa catenularia, Jameson. , 



Fossil — Beauport ; Labrador ; Riviere-du-Loup. 

 Recent — Gaspe*; Labrador (Packard). 



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

 GreoL Surve}^, 1858 — Bell and Richardson, collectors; and from subse- 

 quent dredgings by myself and Mr. Whiteaves. 



