of British Mollusca. 139 



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. Buccinidae. 

 Genus 1. Neptunea, Bolten, 1789. 



1. Neptunea antiqua (Linn.). 



2. Neptunea despecta, Linn. 



Murex despectus, Linn. Syst. Nat. 1222. 



Fusxis tornatus, Gould, Invert. Mass., edit. Binuey (1870), p. 374. 



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



'Porcupine,' 1869, St. 1, off Valentia, L-eland, 110 fath., 

 and between Galway and the ' Porcupine ' Bank. Also off 

 South of Ireland (in Miis. Nor.) . 



Its distribution is Christiania 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 coaditioas. 



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



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

 Month on the 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 Norweo-ian 

 forms of this shell. 



Genus 3. VoLUTOPSIS, 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 

 \^'exford coast which is now in tlie collection of Dr. Mu.soii, 

 of Burton, who purchased Walijole's Mollusca. In 18G1 1 



