COLIMACEA. MOLLUSCA. BULIMUS. 193 



which is now in the Cabinet of the Academy of Natural Sciences at 

 Philadelphia, and no other specimen of which has as yet been found. 

 A multiplication of names will thus be avoided. 



Genus BULIMUS, Brug. 



Shell ohlong-oval, aperture simple, rounded anteriorly, longer than broad, 

 inhabiting the land, 



BULI'MUS lu'bricus. 



Shell small, oblojig-ovate, obtuse, smooth and polished, trans- 

 parent, brownish horn-color ; whorls six, rounded; aperture small, 

 ovate ; Up simple, thickened within. 



Figure 124. 



State Coll., No. 87. Soc. Cab., No. 1200. 



Helix lubrica. Muller; Verm., 104, No. 303. Chemn. ; Conch., ix. t. 135, 



f. 1235. Pennant; Brit. ZooL, vi. 337, pi. 85, f. 4. Montagu; Test. Brit.. 



390, pi. 22, f. 6. Maton and Rackett ; Lin. Trans., viii. 213, t. 5, f. 12. Tur- 



TON ; Conch. Diet., 64. Lam.; ^« sans Vert., viii. 237. 

 Bulimus lubricus, Brug.; Diet., No. 23. Brard ; 98, t. 3, f. 20. Pfeif.; 50, 



pi. 3, f. 7. Fleming ; Brit, .inim., 2G5. Draparnaud ; Hist, des Moll., 75, pi. 



4, f. 24. 

 Cionella lubrica, Jeffr. ; Lin. Trans., xvi. 347. Sowerbv; Conch. Man., 



f. 285. 

 Achatina lubrica, Michaud ; Compl. a Drap., 51, No. I. Alder; Mag. of Zool. 



and Bat., ii. 110. 

 Turbo glaber, Da Costa ; Brit. Conch., 87, pi. 15, f. 18. 

 Cochlicopa lubrica, Ferussac ; Hist. JVat. des Moll., Tab. Syst., 55, No. 374. 

 Zua liibrica, Leach; Moll., 114. Gray's Tnrton's Man., 188, t. G, f. 65; and 



for numerous other references see Lamarck. 



Shell small, rather larger than a grain of wheat, elongated-oval, 

 obtuse at apex, of a smoky horn-color, exceedingly thin and 

 transparent, exhibiting the pillar throughout its whole length ; sur- 

 face very bright and polished ; whorls five or six, rounded ; su- 

 ture distinct ; lower half of the last volution somewhat tapering 

 towards the base ; aperture small, ovate, not broadly rounded at 

 base ; lip simple, thickened within, and of a claret tint, inner lip 

 a little thickened so as to give the appearance of a slight notch at 

 base ; umbilicus none. Length j\ inch, breadth .^-^ inch. 

 25 



