224 BULLID.E. 



Fig. 514. growth ; spire concealed ; labrum extends a little hclow the 

 £S| spire, nearly straight above the centre, regularly rounded 

 ^j Ijelow and at l)ase ; aperture narrow at tlio u]:)])er part, rather 

 B. occui- broad at the base. Length, one fifth of an inch ; breadth, 

 three twentieths of an inch. (^Mii>-hcls and Adams.') 

 Westbrook, Maine, fossil. Recent in New England and Green- 

 land. 



Oeiiiis TORI^ATELI..!, Lam. 1S12. 



Head depressed, with a quadrate disk, bi-lobed in front, with 

 broad, posterior, tentacular lobes ; eyes sessile on the middle of the. 

 head ; mantle included within the shell ; foot oblong, truncate in 

 front, obtuse behind. 



Shell oval, spirally grooved, Avhorls few ; ai)erture long, narrow, 

 rounded before ; outer lij> thin, inner lip spirally twisted to form a 

 fold. 



Tornatella puncto- striata. 



Fig. 188. 



Shell minute, white, sub-oval ; whorls four or five, the lowest one large, the 

 lower half marked with revolving, punctured hnes; suture deep; fold of columella 

 distinct. 



Tornatella puncto-striatii, Adams, Best. Jonrn. Nat. Hist. iii. 32.3, pi. 3, fig. 9 (1840).— 



De Kav, N. Y. Moll. 127, pi 7, tig. 143. — SmiPSON, Check Lists, 4 (1860). 

 Actwon punctii-Mriala, StIiMPSo.v, Shells of New England, 51. 



Shell minute, white, elongated-oval, inclining to ovate ; whorls 



four, perhaps five, the lowest one at least three fourths the length 



of the shell, distended, the portion above the aperture plain 



Fig. 515. ^j^ii smooth, the remainder marked with ten to fifteen deep, 



t rather distant revolving lines, which arc indented Avith nii- 

 T nute ])unctures ; the other whorls form a short, rapidly di- 

 minishing spire, and each of them is flattened so as to form 

 ^stna'tn."' ^ shouldcr at the suture, which is decj) and somewhat chair 

 nelled. Aperture narrow, two thirds the length of the lower 

 whorl, widening downwards ; outer li}) sharp and simple, regularly 

 curved, not very ])roadly rounded at l)ase ; pillar thickened, exhibit- 

 ing a prominent fold ; umbilical region depressed, and in immature 

 specimens it is open. Length, one tenth of an inch ; breadth, three 

 fortieths of an inch ; divergence, sixty degrees. 



