Vol. XXIX, pp. 7-8 January 25, 1916 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



PRODROME OF A REVISION OF THE CHRYSODOMOID 

 WHELKS OF THE BOREAL AND ARCTIC REGIONS. 



BY WILLIAM H. DALL. 



The following revision of the boreal and arctic Chrysodomoid 

 whelks results from a study of the collection from the north 

 Pacific now contained in the National Museum and brought 

 together from many sources. 



The full report on the group will be more or less delayed, but 

 will contain the data upon which this revision is founded, in- 

 cluding new anatomical and other details. 



Family BUCCINID.E. 

 Genus Chrysodomus Swainson, LS-10. 



Type Murex antiqutis Gmelin. Britain. 

 Section Sulcosipho Dall, nov. 



Type Chrysodomus tabulatus Baird. Puget Sound. 

 Subgenus Barbitonia Dall, nov. 



Type Fusus arthriticus Bernardi. Japan. 

 Genus Searlesia Harmer, 1914. 



T^pe Trophon costifer S. ^yood. British Crag. (Recent 

 analogue Buccinum dirum Reeve. Puget Sound.) 

 Genus Ecphora Conrad, 1843. 



Type Fusus quadricostatus Say. Miocene, Maryland. 

 ?Genus Stenomphalus Sandberger, 1853. 



Type Fusus cancellatus (Thomae) Sandberger. German 

 Miocene. 

 Genua Colus (Bolten, 1798) Dall, restr. 1906. 



Type Murex islandicus Gmelin. Iceland. 

 Section Latisipho Dall, nov. 



Type Chrysodomus hypolispus Dall. Bering Sea. 



2— Proc. Biol. Soc. Wash.. Vol. XXIX. 1916. l7) 



