NORMAN : ON THE MOLLUSCA OF BERGEN FIORDS. 55 



(Prelim. Report, 'Porcupine' Expedition, Proc. Royal Soc, 

 1870, p. 416), and subsequently in the same locality by Mr. 

 Waller. 



207. Cancellaria viridula, (Fab.) 



Triioniuviviridulum, Fab. Faun. Groenl, 1770, p. 402. 



Admete crispa, Moller. Index Moll. Groenl. in Naturhist. 

 Tidss., iv., 1842, p. 88. 



Cancellaria buccinoides, Couthouy. Bost. Jour. Nat. Hist, 

 ii., p. T05, pi. iii., fig. 3. 



Cancellaria Couthouyi, Jay. Cat. Gould Invert. Massac, 

 1841, p. 283, fig. 190. 



Cancellaria Couthotiyi, DeKay. Zool. New York, 1843, 

 p. 183, pi. vii., fig. 160. 



Cancellaria viridula, Middendorff. Beit, z Malakoz. 

 Ross., pt. ii., 1849, p. no, pi. X., fig. I — 4. 



Off Slettin, which is a little north of Bukken, 50 — 80 f ; 

 and Haakelsund in Kors Fiord, 200 f. 



214. Buccinum Humphreysianum, Bennett. One living 

 half-grown example, near the entrance of Fane Fiord. 



216. Trophon clathratus, (Lin.) 



Murex clathratus, Lin. Syst. Nat., edit, xii., 563, (not 

 T. clathratus, F. & H.) 



The typical T. clathratus is a truly Arctic recent form. 

 It is also a common glacial fossil, and is occasionally dredged 

 in a fossil state. A specimen in this condition I dredged in 

 Bergen Fiord; but some other smaller specimens, which Dr. 

 Jeffreys agrees with me in referring to the typical, few-ribbed 

 Arctic form, were dredged, which appear quite recent though 

 the animal was not in them. Unfortunately I had not at 

 first recognised these as distinct from the var. truncatus, with 

 which therefore I mixed them, and thus do not know the 

 exact spot in which they occurred. 



