GASTEROPODA. Ill 



p. 131, pi. 39, figs. 72-74. Verrill, Trans. Conn. Acad., 1882, 

 vol. 5, p. 519. 



Mass. — Off Marthas Vineyard, 69 and 458 fathoms. 



TRUNCATELLIDAE. 

 Truncatella truncata (Montagu). 



Turbo truncatus Montagu, Test. Brit., 1803, pt. 2, p. 300, pi. 10, 

 fig. 7. " Southampton, at Plymouth, and other parts of the 

 Devonshire coast." 



Truncatella truncatula Verrill, Proc. U. S. Nat. Mus., 1880, vol. 3, 

 p. 376; Trans. Conn. Acad., 1882, vol. 5, p. 525, pi. 58, figs. 8, 

 8a, 8b. 



R. I. — Among the docks at Newport, July, 1880. " It occurred 

 among decaying sea-weeds throwli up at high-water mark" 

 (Verrill). 



ASSIMINEIDAE. 



Assiminea modesta (H. C. Lea). 



Cingula modesta H. C. Lea, Proc. Boston Soc. Nat. Hist., 1845, 

 vol. 1, p. 205. " Brooklyn, Long Island." 



Assiminea gray ana Verrill, Trans. Conn. Acad., 1882, vol. 5, 

 p. 525, pi. 58, fig. 7 (non Leach). 



Assiminia modesta Verrill, Trans. Conn. Acad., 1884, vol. 6, 

 p. 253. 



R. I. — Found in July, 1880, living among decaying sea-weed 

 at high-water mark, between the docks at Newport (Verrill). 



VIVIPARIDAE. 

 *Campeloma decisum (Say). 



Limnaea decisa Say, Nich. Encycl., 1817, pi. 3, fig. 6. 

 Paludina decisa Haldeman, Monogr. Limniades, 1840, pt. 1, 

 p. 4, pi. 1. 



Melantho decisa Gould, Inv. Mass., 1870, p. 289, figs. 552-554. 



