GASTEROPODA. 89 



Margarites minutissima (Mighels). 



Margarita minutissima Mighels, Boston Journ. Nat. Hist., 1843, 

 vol. 4, p. 349, pi. 16, fig. 5. " Casco Bay." Gould, Inv. Mass., 

 1870, p. 280, fig. 540. 



Me. — Casco Bay, from the stomach of a haddock. 



*Solariella obscura (Couthouy). 



Pilsbry, Manual Conch., 1889, ser. 1, vol. 11, p. 308, pi. 57, 

 figs. 44, 45. 



Turho obscurus Couthouy, Boston Journ. Nat. Hist., 1838, vol. 2, 

 p. 100, pi. 3, fig. 12. "waters of Mass. Bay." 



Margarita obscura Gould, Inv. Mass., 1870, p. 283, fig. 545. 



Me. — Casco Bay; Frenchman's Bay, 6 to 35 fathoms; East- 

 port, 6 fathoms. 



N. H.— Ofl' Isles of Shoals, 20 fathoms. 



Mass. — Beverly Harbor; off Egg Rock, near Nahant, 17 fath- 

 oms; off Marthas Vineyard, 20 to 25 fathoms. 



Conn. — Stonington, from haddock (Linsley). 



Solariella obscura bella (Verkriizen). 



Pilsbry, Manual Conch., 1889, ser. 1, vol. 11, p. 310, pi. 64, 

 figs. 57, 58. 



Margarita bella Verkriizen, Jahrb. Deutsch. Mai. Ges., 1875, 

 p. 236. " Hammerfest." 



Me. — Eastport, 10 to 40 fathoms. 

 Georges Bank, 43 to 45 fathoms. 



Solariella obscura planula (Verrill). 



Machaeroplax obscura var. planula Verrill, Trans. Conn. Acad., 

 1882, vol. 5, p. 531 . " south of Cape Cod." 



Mass.— South of Cape Cod, 15 to 30 fathoms (Verrill). 



