878 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxi. 



11. Erycina 2)€riscopiana Dsbli, 1899; off Cape Lookout, North Carolina. 



12. Erycina fernandina D'dU, 1899; oft" Fernandiua, Florida. 



The shortness and strength of the laterals in this species recall those features 

 in Myaella. 



Genus BORNIA Philippi. 



13. Borniaharhadensis'DsbW^lS^^', Barbados; 100 fathoms. 



14. Bornia [Ceratobornia) longipes 8tim])Son, 1855; coast of the Caro 



Unas. 



Genus KELLIA Turton. 



15. KelUa suborbicularis (Montagu, 1804) Turton, 1822, var. gouldii 



Thomson, 1867; Salem, Massachusetts, to Long Island Sound. 



16. Kellia {Kelliola) symmetros Jeffreys, 1876; Baffiu Bay, in 1,750 



fathoms; North Atlantic, 488 fathoms. 



Genus MYSELLA Angas. 



17. Mysella planulata Stimpson, 1851; Nova Scotia south to Corpus 



Christi, Texas. 



= Kellia rubra Gould, 1841, ex parte, not Montagu; Montacuta bidentata Verrill 

 and Bush, 1898, not Montagu, nee Gould; var. /rajf/Jis Verrill and Bnsh, 1S08. 



18. Mysella planulata v2iY. tenuis YqvvxW and Bush, 1898; Massachusetts 



Bay south to North Carolina. 



This variety is connected by numerous gradations with the type, in which tlic 

 lamina- are less stout. 



19. Mysella striatula Verrill and Bush, 1898; coast of North Carolina 



in 5 to 50 fathoms. 



20. Mysella casta Verrill and Bush, 1898; coast of North Carolina in 14 



to 17 fathoms. 



21. Mysella ovata Jeffreys (?); Vineyard Sound, Massachusetts, in 100 



to 157 fathoms. 



22. Mysella tri^uetraYeTTill and Bush, 1898; oft" Cape Hatteras, North 



Carolina, in 43, and oft" Fernandina, Florida, in 294 fathoms. 



23. Mysella tumidula Jeffreys var. verriUi Dall, 1899; oft" Delaware Bay 



in 843 to 1,091 fathoms. 



24. Mysella molleri Morch, 1899; Novaia Zemlia, Spitsbergen, Norway, 



and Greenland. 



Montacuta elevata Morch, 1875, after Torell, not of Stimpson, 1851. 



25. Mysella barbadensis Dall, 1899 ; Barbados, in 100 fathoms. 



26. Mysella {Pythinella) cuneata Yernll and Bush, 1898; coast of North 



Carolina. 



Genus MONTACUTA Turton. 



27. Montacuta daivsoni Jeffreys, 1863; Europe from Norway to the 



Mediterranean; Spitsbergen; America from Disco, Greenland, 

 to St. Johns, Newfoundland. 

 Perhaps Holler's species indet. No. 8, 1842. 



