8o ^ Bulletin ii 8o 



suture. Periphery about the body whorl with one deeply incised 

 spiral line, thus rendering it obtuse. Umbilicus small, with 

 radii from its periphery about one-third way across the body 

 whorl, and having a raised spiral coarsely crenulate carina 

 medially located." 



Locality. — Ala.: Gregg's landing. 



Type and specimen figured. — Lea Memorial Colle(5lion, Acad. 

 Nat. Sci. Phila. 



Solarium elaboratum, 



Com'ad' s original description. — (A. J. S., vol. 23, p. 344, 1833) 

 "Shell discoid, with numerous revolving crenulated striae of dif- 

 ferent sizes; beneath slightly channeled on the sub-margin, with 

 a few strong grooves; margin of the umbilicus profusely crenu- 

 lated; the crenulations extending to the apex; aperture nearly 

 circular. Length, one-third of an inch. 



''Locality. — Claiborne, Ala." 



Variety delphinuloides Heilprin, PI. 11, fig. 5, 



Syn. .S'. delphinuloides Heilp., Proc. Ac. Nat. Sci. Phila., 1880, p. 375, 

 pi. 20, fig. 13. 

 S. delphinuloides Aid., Geol. Surv. Ala., Bull, i, p. 51. • 

 6*. delphinuloides Dall, Trans. Wag., etc., vol. 3, p. 324. 



Heilprin'' s original description. — ' 'Shell convexly conical, of about 

 .seven volutions; the whorls ornamented with several beaded re- 

 volving lines, two or more of which near the upper margin, 

 and one near the basal margin being the most prominently de- 

 fined; base convex sub-marginally channeled, and ornamented 

 with numerous finely beaded revolving lines, which become more 

 prominent in the umbilical region; umbilical volutions distin(5t to 

 the apex, transversely striated, supermedially carinated; umbili- 

 cal margin crenulated; aperture subcircular. 



"Length, Y^ inch; diameter, Y^^ inch; Woods bluflf, Clarke Co., 

 Ala." 



This differs from elaboratum principally by its generally lower 

 form, more finely yet more prominently beaded lines, with an un- 

 usually strong spiral some little distance above the periphery and 

 suture. 



