152 Bryant Wai^kijr 



Pleurocera curr'ijjrianum (Lea). 



Trypanostoma currierianmn Lea, Obs., XI, 1866, p. 103, pi. 23, fig. 61. 



Ple:uroce;ra cyi^indraceum (Lea). 



Trypanostotna cylindraceum Lea, Obs., XL 1866, p. 98, pi. 23, fig. 51. 

 Includes P. roanense Lea, according to Pilsbry (iii, p. 498). 



PlEurocera ExiMiUM (Anthony). 



Has priority over gradatum (Anth.). 



PlEurocEra GEANDUtuM (Anthony). 



Is undoubtedly the young of one of the earlier described species of 

 Strephohasis included in the synonymy of plena. 



Pleurocera GRADATUM (Anthony). 



Trypanostoma curtatum Lea, Jour. A. N. S. P., VI, 1866, p. 143, pi. 23, 

 fig. S3 ; Obs., XI, 1866, p. 99, pi. 23, fig. 53. 



PlEurocera leseeyi (Lea). 



Trypanostoma lesleyi Lea, Obs., XI, 1866, p. 102, pi. 23, fig. 59. 



PeEurocera lewisii (Lea). 



As suspected by Tryon this form is only a striate variety of elevatum. 



PlEurocera eyonii (Lea). 



Trypanostoma lyonii Lea, Jour. A. N. S. P., VI, 1866, p. 144, pi. 23, fig. 55 ; 

 Obs., XI, 1866, p. 100, pi. 23, fig. 55. 



Pi.Eurocera napotdeum (Lea). 



Trypanostoma napoideum Lea, Obs., XI, 1866, p. 99, pi. 23, fig. 54. 



PeEurocEra NuciEORME (Lea). 



Trypanostoma nucifornie Lea, Pr. A. N. S. P., 1868, p. 152; Jour. A. N. 



S. P., VI, 1868, p. 337, pi. 54, fig. 19; Obs., XII, 1868, p. 97, pi. 54, 



fig. 19, 

 Type locality: Connesauga Creek, Whitfield Co., Ga. 



PlEurocera pumilum (Lea). 



Is probably the young of some other species. If valid however, it will 

 have to be renamed as Pleurocera (Stephobasis) pumilum Lea has priority, 

 unless that too should prove to be a synonym. 



