II AM INI \. 



This form i- clo-elv allied to //. </"/"//>< i rav, lint i> -mall.-r, 



polished and shining, and with the spiral ttriatioii far \\ak*r. 



H. SOLI r\KiA Say. IM. 'JS, ti<r. 41 ; pi. 41, fig. 32. 



Shell tliin, luboylindrical, with izently Convex .-ides. truncate VT- 

 fcej and rounded huso; color horny or liirht brown. Surface >hin- 

 ini:. havinir irregular growth wrinkles and i undrr a lens) ; 

 deeply impressed spiral groove*, much narrower than their intervals, 

 sometimes with smaller ones intercalated. Vertex white, somewhat 

 impressed in the middle, subperforate. Lip arising to the right of 

 the center, slightly thickened ; outer lip gently arched forward. 

 Columella thin, concave. Alt. 10, diam. ('}' mill. 



M<U9Ochu*ettS Bay to South Carolina. 



liulln snlUnrla SAY, Journ. Acad. Nat. Sci., Phila., ii, p. 245, 

 1822. Complete writings of Thomas Say, W. G. B. edit., p. 84. 

 GOULD, Invert. Mass. (edit. \V. G. B.) p. 222, f. 513. DALL, Cat. 

 Mar. Moll. 8. E. U. S., p. &&. /itill<i ummlpta TOTTEN, Journ. of 

 Sci., xxviii, p. 350, f. 4,. GLD., Inv. Mass., f. 92. AD., Thes. 

 f. 84. SOWB., Conch. Icon., f. 1. Haminea novce-eboraci SOWB., C. 

 Icon., f. 6, 1868. 



This species has the spiral grooves unusually well developed. 

 This, with the cylindric-oval form is the main distinctive character. 

 The species occurs sparingly along the whole Atlantic seaboard. It 

 has also been reported from high northern latitudes. See K. Sven>k. 

 Akad. Handl., 1878, p. 72, and Vega Exp., 370. 



H. SUCCINEA Conrad. PI. 48, fig. 18. 



Shell fragile, horny or whitish, cylindrical, somewhat wider at 

 Kase; vertex truncated, narrowly and deeply impressed, minutely 

 perforated, the lip inserted on right side of perforation. Surface 

 densely evenly and deeply striated spirally throughout, the >tri;r 

 slightly wavy, aperture long, its upper five-eighths narrow and 

 parallel sided, lower part expanded ; columella very concave, folded 

 above, the lip reilexed and closely appressed in the umbilical region. 



Alt. 10, diam 5s mill. 



Indian Jtircr to West Const of l-'lri<L<. 



Bnll succinea CONR., Proc. Acad. Nat. Sci. Phila. iii, p. 'Jn', p]. 

 1, f. 5, 1846. AD. Thes. p. 584, pi. 124, f. 106. //. *uccint >> m i: .. 

 Conch. Icon. f. 25. DALL, Blake Gastr. p. 57; Proc. U. S. Nat 

 Mus. 1883, p. 324. 



