EASTERN PROVINCE— SOUTHERN REGION SPECIES. 41 7 



Family PUPIDvE. 



PUPA. (See p. 321.) 



Pupa variolosa, Goulo. 



Shell minute, ovate-conical, with a pointed apex, of a yellowish-green 

 color, apparently smooth, but when examined by a fig. 459. 



considerable magnifying i)ower is iound to be thickly ^,^£^4 

 pitted with jdots of unequal size and irregularly dis- 

 posed ; there are 4 or 5 narrow, tumid whorls, sepa- 

 rated by a profound suture ; the a[)erture is obliquely Pupa variolosa. 

 semi-oval, and has a jjosterior lamellar tooth winding within the shell, 

 a tooth on the columella, and another a little to the right of the basal 

 apex; a small umbilical opening is covered by the reflected columellsir 

 margin of the i)eristome, and the other margin is slightly everted. 

 Length, 2™"'; diameter, 1'"'". 



Piijm variolosa, Gould, Proc. Bost. Soc. Nat. Hist., iii, 40 ; Terr. Moll., ii, 331, pi. Ixxii, 

 fig. 3.— Pfeiffer, Mou. Hel. Viv., iii, 55G. — W. G. Bixxey, Terr. Moll., iv, 

 146; V, 199; L. «fe Fr.-W. Sh., i, 236 (1869).— Tryox, Amer. Journ. Conch., 

 iii, 303 (1868). 



Florida Subregion,, on the extremity of the peninsula. 



This species is our smallest, and is most readily distinguished by its 

 sliort, conical form. The five specimens examined all presented the 

 crowded, thimble like impressions under a magnifying power of twenty 

 diameters. It is the only American species which has a tooth revolv- 

 ing within the shell on the penultimate whorl. 



Animal unobserved. 



Pupa inodica, Gould. 



Shell small, delicate, elongated, ovate-conic, whitish or pale horn-col- 

 ored, imperforate ; whorls 5, convex, the apex of the spire acute, Fir..46o. 

 aperture expanded ; peristome revolute but not iiattened, its 

 right margin strongly curved above ; throat destitute of teeth. 

 Length, 2A""" ; diameter, 1""". 



J'uim modica, Gould, Proc. Bost. Soc. Nat. Hist., iii, 40 (1848); Terr. Moll., 

 ii,3l8, pi. Iii, iig. -2.— W. G. Bixney, Torr. ]Moll., iv, 142; v, 204 ; L. 

 & Fr.-W. Sh., i,240 (1869).— Pfeiffek, Mon. Hel. Viv., iii, .533. 



Bidimiis modicHH, Pfeiffer, Mou. Hel. Viv., iv, 414. 



Piipilla modica, Tryon, Amer. Jonrii. Conch., iii, 306 (1868). 



Southern Region, in Georgia, Florida, and Alabama. 

 The form and other characters of this shell are almost ])recisely those 

 1749— Bull. 28 27 



