138 

 Cryptodon (AxmuLus) ferruginosus (Forbes). 



Criiptodon rotundatum, S. Wood (1840). 



Kellia ferruginosa, Forbes (1843). 



Axinus ferruginosus, G. O. Sars (1878). 



Cryptodon ferruginosus, Verrill (1882). 



Criiptodon {AxiniUus) ferruginosus, Verrill and Bush (18U8). 



Gulf of St. Lawrence, south and south east of the Island of Anticosti, in 

 200-313 fathoms, mud, dredged by the writer in 1873 ; a few small but 

 living specimens, which are believed to be referable to this species. 



Cryptodon (Axinulus) in.equalis, Verrill and Bush. 



1898. Proc, U.S. Nat. Mus., vol. xx., p. 791. 



"A few specimens have been found in 14 to 49 fathoms at about eleven 

 stations north of Cape Cod, in Casco Bay, and in Halifax Harbour, 1873— 

 79 " (Verrill and Bush). 



AxiNOPSis ORBICULA.TA, G. O. Sars, var. iNiEQUALis, Verrill and Bush. 



1898. Op. cit., vol. XX., p. 794. 

 Bay of Fundy (Verrill and Bush). 



Family Leptonidce. 

 Kellia suborbicularis (Montagu). 



Mya suborhicularis, Montagu (1804). 



Kellia suborbicularis, Turton (1822) ; et auct. 



" Sable Island, Willis," in J. Matthew Jones' " List of the Mollusca of 

 Nova Scotia," pul:)lished in 1877, though the writer has failed to find the 

 name of this species in Willis' 1863 list, as republished in vol. vii. of the 

 Transactions of the Nova Scotia Institute of Natural Science. 



ROCHEFORTIA MOLLERI (Morch). 



Montacuta elevata, Morch (1875) ; not Stimpson (1851). 

 Mysella Molleri (Holboll) Morch. 

 Eochefortia Molleri, Dall (1900). 



Halifax Harbour, in 18 fathoms, U. S. Fish Commission, 1877 (Miss Bush). 



It is doubtful whether the specimens from Sable Island that Willis 

 identified with the Kellia plaiiulata of Stimpson, should be referred to 

 Rochefortia flanulata or to R. Molleri. 



