SCALARIA. 311 



Littorina irrorata. 



Turbo irroratm, Say, Binney's ed. 81 ; Joiiru. Acad. Nat. Sc. ii. 239 (1821). 



Phaslanclla sulcata, Lasiarcic ? 



Littorina irrorata, Stimpson, Check Lists, 5. 



Shell thick, greenish, or pale cinereous, with numerous revolving, 

 elevated, obtuse, equal lines, which are spotted with 

 abljreviated ])rownisli lines ; suture not indented ; F's- 579. 



spire acute ; labium incrassated, yellowish-lirown ; la- 

 bium witliin white and thicl^:, at the edge thin, and 

 lineated with dark In-ownish ; tliroat white ; columella 

 with an indentation ; operculum coriaceous. Length, 

 four fifths of an inch. 



Tliis has the general appearance of Turbo lifforctis, 

 l)ut is sufficiently distinct by the above characters ; l. irromta. 

 the calcareous deposit on the labium is obvious. 



An inhabitant of our estuaries of the Middle and Southern States. 

 I have found them on the eastern sliore of Maryland, and on the 

 coast of Carolina, Georgia, and Florida; and my brother obtained 

 a specimen on the coast of New Jersey, of the length of one inch 

 and one tenth nearly. Mr. Cuvier would place this shell in the 

 genus Paludlna. (^Sai/.) 



Connecticut ( Stimpsori). 



Family 8CALARIID.E, Brod. 



Shell without ])laits on the })illar ; margins of the aperture cir- 

 cularly united. 



Oeniis SCALARIA, Lam. 180L 



Shell turreted, spire long, composed of rounded, sometimes sep- 

 arated whorls, crossed by elevated ribs ; aperture oval ; lip contin- 

 uous, reflected. 



Scalaria Nov-Anglise. 



Shell Avhite, whorls convex, and barely in contact; rilis numerous, slender, un- 

 equal, and with numerous, fine, revolving lines in the intervening spaces ; urabil- 

 icated. 



Scalaria Nov- Anr/I la', Couthouy, Eost Jonrn. Nat. Hist. ii. 96. pi. 3, tip:. 5. — Gould, 

 Inv. 1st ed. 248. — Sowerby, Tlies. pi. 35, fig. 112. — Stimpsox, Check Lists, 5. 



