62 FAUNA OF NEW ENGLAND. 



Phacoides (Lucinoma) blakeanus (Bush). 



Dall, Proc. U. S. Nat. Mus., 1901, vol. 23, p. 809. 

 Lucina blakeana Bush, Bull. Mus. Comp. Zool., 1893, vol. 23, 

 p. 231, pi. 2, figs. 16, 17. "off Cape Fear, N. C." 



Mass. 



*Divaricella quadrisulcata (d'Orbigny). 



Dall, Proc. U. S. Nat. Mus., 1901, vol. 23, p. 815. 



Lucina divaricata Gould, Inv. Mass., 1841, p. 70 {non Linne). 



Lucina quadrisulcata d'Orbigny, Voy. Amer. Mer., Moll., 1846, 

 vol. 5, p. 584. "Antilles." 



Lucina strigilla Stimpson, Shells of New England, 1851, p. 17. 



Lucina dentata Gould, Inv. Mass., 1870, p. 99, fig. 405 {non 

 Wood, 1815). 



Mass. — Nahant; Chatham; Nantucket; Vineyard Sound, 

 6 to 14 fathoms. 



DIPLODONTIDAE. 



Diplodonta (Sphaerella) verrilli Dall. 



Dall, Trans. Wagner Free Inst. Sci., 1900, vol. 3, pt. 5, p. 1180. 



Diplodonta turgida Verrill and Smith in Verrill, Amer. Journ. 

 Sci., 1881, ser. 3, vol. 22, p. 303 (non Conrad, 1848). Verrill, Trans. 

 Conn. Acad., 1882, vol. 5, p. 569, pi. 58, fig. 42. [off Marthas 

 Vineyard.] 



Mass. — Off Marthas Vineyard, 69 fathoms. 



THYASIRIDAE. 



Thyasira insignis (Verrill and Bush). 



Dall, Proc. U. S. Nat. Mus., 1901, vol. 23, p. 785. 

 Cryptodon sarsii .Verrill, Proc. U. S. Nat. Mus., 1880, vol. 3, 

 p. 399 {non Philippi). 



