is -J 



Monioi-A pectixula. T. obovata, ventricosa, convexa, costis 

 rotundatis radiantibus eirciter 40 ornata ; epidermide cerina induta; 

 umbonibus tumidis, sub-terminalibus : cavositas livida; marginc in- 

 teriori crenulata. Long. 0.9 ; alt. 0.6 ; lat. 0.4 poll. From fishes, 

 St. George's Banks. 



[Peculiar in its ventricose form, and its surface entirely covered 

 with conspicuous rounded ribs. Belongs to genus j\Iodiolaria.~\ 



Modiola xexa. [Undoubtedly the M. (Modiolaria) nigra Gray.] 

 Limax togata [is Tebennophorus Caroliniensis Binney]. 

 Limax tuxicata [is Limax agrestis Miiller]. 



Helix [Helieella] electrina. H. testa parva, depress:!, imibili- 

 cata, tenui, pellucida electrina ; anfractibus quatuor, striatis ; aper- 

 tura rotundata ; labro simplici. Diameter more than one eighth of an 

 inch. Found in damp open places. 



It resembles //. indentata above, and //. arborea beneath. 



Pi. worms dilatatus. T. minuta, supra planulata, infra anguste 

 umbilicata ; anfractibus tribus, ultimo carinato ; suturfi impressa : 

 apertura ampla, subovata etdilatata. Diam. ■£$ ; axis, -jL poll. From 

 a pool in Ilingham. 



Velutina [Morvillia J. E. Gray] zg-N'ATA. T. ovato-semi-orbicu- 

 laris, depressa, lucida, crusta calcarea fusco zonata induta ; columella 

 planulata, sulcata : apertura ampla ovata. Diam. 0.5 ; axis, 0.3 poll. 

 Olitained on Chelsea Beach and from fishes' stomachs. 



Cingula aculeus. T. minuta, sub-cylindrica cornea ; anfracti- 

 bus 6 convexis, striis tenuissimis volventibus cinctis; sutura profunda : 

 apertura ovata ; basi subperforato. Axis, ^ ; diam. ^, poll. ; diverg. 

 23°. On timbers and stones at low-water mark. 



Margarita argextata. T. minuta, depresso-coniea, sub-mar- 

 garitacea; anfractibus 4 convexis striis confertis volventibus omnind 

 insculptis ; sutura profunda ; fauce nacrea, iridescente ; basi per- 

 forata. Axis, * 6 ; diam. | poll. From fishes caught off Cape Ann 

 and Cohasset. 



BOSTON JOURNAL OF NATURAL HISTORY. 



0^=" Vol. iii. 395, (July, 1840.) 

 Pupa procera [is P. rupicola Say]. 



Pupa [Vertigo] milium. T. minutissima, ovalis, castanea; an- 

 fractibus quatuor convexis, oblique striatis: apertura cordata, dentibua 

 sex compressis armata, quorum duobus labio aflixis ; umbilico pro- 

 fundo. Axis, fa ; diam. - 4 1 n poll. Found on fallen leaves, in woods. 



