BY PROFESSOR F. W. IIUTTON, F.G.S. 375 



This is probably a variety of P. cenea (Martyn), or of P. magel- 

 lanica (Martyn). P. juegensis (Reeve), and P. KergueUnsis (Smith), 

 are scarcely different. 



The dentition is figured in Trans. N.Z. Institute, XV., pi. 16, 

 fig. A. 



Patinella redimiculum. Reeve, Conch. Icon. fig. 50, (1854) ; 

 Voy. Erebus and Terror, Moll. pi. 1, fig. 24. P. radians, 

 Reeve, Conch. Icon. fig. 25, [not of GmelinJ. P pottsi, 

 Hutton, Cat. Marine Moll, of New Zealand, 44, (1873). 



Habitat. — The southern portions of New Zealand and the 

 Auckland Islands. Found also in Fuegia. 



Shell large, depressed, with about 20 or 25 rounded ribs ; the 

 apex anterior ; the interstices between the ribs bluish white. 



Probably a variety of the last species. The dentition is 

 not known. 



Patinella denticulata. Martyn, Univ. Conch, pi. 65, (1784). 

 P. margaritacea, Chemnitz, Conch. Cab. XL, fig. 1914, 

 (1790); Voy. Erebus and Terror, Moll. pi. 1, fig. 26. P. 

 ornata, Dillyyn, Catal. Shell, p. 1029; Deshayes, Aniin. sans 

 Vert. 2nd edition, VII., p. 542. P. nodosa, Honibron and 

 Jacquinot, Ann. des Sci. Nat. Zool. Series 2, vol. 16, p. 191, 

 (184). 



Habitat. — Throughout New Zealand. 



Shell more or less depressed, with the apex anterior, generally 

 about one fourth of the length from the anterior end. With 

 eleven reddish yellow ribs, alternating with smaller and dark 

 coloured ribs, which are spotted with white. 



The dentition is figured in the Trans. N.Z. Institute, XV., pi. 

 16, fig. B. 



Patinella inconspictja. Gray in Dieffenbach's New Zealand, 

 II., p. 244, (1843). P. luctuosa, Gould, Pro. Bost. Soc. Nat. 

 Hist. IL, p. 150, (1846) [not of Hombron and Jacquinot, 



(1841)]. 



Habitat. — Wellington to Dunedin. 

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