of British Molluscd. 159 



in many places, in 50-100 fath. ; and in Stoksund, 125 fath. 

 Dredged as far south as the Azores by the ' Talisman ' 

 {Locard).'] 



Fara. 3. BuccinidgB. 

 Genus 1. Neptunea, Bolten, 1789. 



1. Keptunea antiqua (Linn.). 



2. Neptunea despecta^ Linn. 



Murex despectus, Linn. Syst. Nat. 1222, 



Fusus tornatus, Gould, Invert. Mass., edit. Binney (1870), p. 374. 



Neptunea despecta, G. 0. Sars, I. c. p. 267, pi. xiv. figs. 4a-c. 



'Porcupine,' 1869, St. 1, off Valentin, L'cland, 110 fath., 

 and between Gal way and the * Porcupine ' Bank. Also off 

 South of Ireland (in Mus. Nor,). 



Its distribution is Christiauia Fiord, Western Norway and 

 Finmark, Iceland, Arctic Europe generally, Greenland and 

 N.E. America, Siberia. 



It is a most variable species, and Neptunea antiqua seems 

 to be its southern form ; and tlie species becomes keeled more 

 or less, and then nodulous as the Neptunea is found under 

 increasing boreal and arctic conditions. 



Genus 2. Ukko, Friele { = Jumala, Friele). 



For this change in the generic name see Norman, " A 

 Month on tlie Trondhjem Fiord," Ann. & Mag. Nat. Hist, 

 ser. 6, vol. xii., Nov. 1893, p. 352. 



1. Ukko Turtoni (Bean). 



In the paper just referred to I have figured two Norwegian 

 forms of this shell. 



Genus 3. VoLUTOPSISj Morch. 

 1. Volutopsis norvegica (Chemn.). 



Genus 4. Sipho, Klein. 



Subgenus 1. Sipho (typical), 



* Apex irregular. • 



1. Sipho islandicus (Chemn.). 



Long ago Mr. Walpole procured a specimen from off the 

 Wexford coast which is now in the collection of Dr. Mason, 

 of Burton, who purchased Walpole's Mollusca. In 1861 1 



