

EASTERN PKOVINXE— -SOUTHERN REGION SPECIES. 363 



jug, narrow, the last abruptly deflected at the aperture, devious below, 

 constricted alid scrobiculated ; aperture very oblique, ear-shaped, rin- 

 geut, very much narrowed; peristome acute, patulously re- ^'f^- 394. 

 fleeted, its terminations joined by an oblong, tongue- 

 shaped, deeply entering, excavated fold, its right margin 

 M'ith a deeply seated lamella, terminating in a reflected, fill- t ,,. ij - J 

 form, uvula-like point, the basal margin with an oblique, sin- "^'^niarged™' 

 nous, tooth-like tubercle. Greater diameter 12, lesser 11"'"; height, T"". 



Eelix uvulifera, Shuttleworth, Bern. Mitt., 1852, 199.— Chemnitz, ed. 2, ii, 420, pi. 

 cslviii, figs. 19, 20 c 1853). —Gould; Terr. Moll., iii, 20.— W. G. Binney, Terr. 

 Moll., Iv, 75; L. & Fr.-W. Sh.,i, 87 (1869).— Pfeiffer, Mou. Hel. Viv., iii, 

 267.— Bland, Ann. N. Y. Lye. N. H., vii, 34, fig. 13(1858). 



Eelix florxiUfera, Reeve, Con. Icon., No. 699 (Aug., 1852). 



Eelix auricnlaia, minor, Ferussac, Hist., pi. i, fig. 3 ? (teste Pfeiffer). 



Dcvdalochila uruliftra, Tryon, Am. Journ. Conch., iii, 157 (1867). 



Polygi/ra uvulifera, W. G. BlXNEY, Terr. Moll., \,264. 



Found plentifully on the Florida Keys, Key West, Little Sarazota 

 Bay, Long Key, and at Dallas and Cape Sable. As I also have speci- 

 mens from Corpus Christi, it probably inhabits the whole Gulf coast of 

 the Southern Eegion. 



F. nvtilifera may be distinguished from P. miriculata by the char- 

 a(;ter of the peristome, which is equa;lly produced from j^m 395 



the superior angle of the parietal process to the base 

 of the inferior tooth or fold, where it is reflected, some- (-i*^!' 

 times appressed to the last whorl. The lower angle 

 of the parietal process is connected with the inner ^^'^maioiT.uouUfera. 

 termination of the peristome by a flat, more or less developed calhis. 

 The umbilical region is less open, and there is no groove within it on 

 the last whorl. 



Jaw low, arcuate, ends blunt, anterior surface with about 13 ribs, 

 denticulating either margin. 



Lingual membrane (Terr. Moll., V, Plate VI, Fig. B) with 23-1-23 

 teeth. There are about 8 perfect laterals. 



Genitalia as in P. auriculata. 



Polygyra auriformis, Bland. 



Shell rimately j)erforate, above depressed, with rib-like strife, be- 

 neath inflated, convex, almost smooth, and with micro- fig.j?9g. 

 scopic spiral lines, white or brown horn-color, thin ; spire 



very short ; whorls 5^-Q^ rather flat, the last deflected /^^| 

 and shoi'tiy turned outwards from the ])recediiig whorl, ' ","1' i.'"i 

 constricted, scarcely scrobiculate ; nperture subhorizoutal, ear-shaped, 



