SHELLS. 395 



F. Spitzbergensis (PL XXXII. Fig. 6 a, b}. Fus. testa 

 fusiformi-turrita, canali breviusculo, vix recurvo, spirse suturis 

 impressis, aufractibus rotundatis, spiraliter costatis, subfuni- 

 culatis, versus aperturam sulco superficiario obsolete divisis, 

 interstitiis excavatis, apertura ovata, labro peculiariter effuso ; 

 fulvo-fusca, costis subnitentibus, columella roseo pallide tincta. 



This fine species (inserted here from Mr. Cuming's col- 

 lection) is from Spitzbergen. 



TROPHON (Montford). 



T. Fabricii, Beck, Moller, Ind. Moll. Groenlandise, p. 14. 

 Tritonium craticulatum, Fabricius. 

 Murex borealis, Reeve. 



MITRA (Lamarck). 



M. Grcenlandica, Beck, Moller, Ind. Moll. Groenlandise, 

 p. 15. 



CEMORIA (Leach). 

 C. cognata, Gould. 



PATELLA (Linnaeus). 



P. cerea (PL XXXII. Fig. 1 a, b, c], Moller, Ind. Moll. 

 Grrenlandise, p. 16. 



A diaphanous white species, decussated with fine radiating 

 linear ridges and concentric striae of growth. Mr. Cuming 

 possesses specimens from Norway. 



Hab. Winter Quarters off Cape Eden, in three fathoms, 

 gravel. 



ACM^A (Eschscholtz) . 



A. testudinalis (Patella), Miiller, Zool. Dan. Prodr. p. 237. 

 P. Clealandii, Sower by. 

 P. amoena, Say. 

 Lottia testudinalis, Gray. 

 Patelloidea amoena, Couthouy. 



2 D 2 



