MARYLAND GEOLOGICAL SURVEY 1(59 



Caxcellaria corbulu Conrad. 



Cancellaria corbulu Conrad, 1843, Proc. Acad. Nat. Sci. Phila., voL i, p. 308. 



Description.— '' Short, subovate; whorls siibscalariform, ribs 8 or 9 

 on the body whorl, prominent, flattened laterally, and crossed by promi- 

 nent, alternate stris, the larger ones rather distant and elevated; colum- 

 ella with three plaits, rectilinear; base subumbilicated; aperture nearly 

 half the length of the shell. Length half an inch." " Loc. Maryland." 

 Conrad, 1843. 



No other reference has ever been made to this species, and the de- 

 scription is insufficient to identify it. 



Superfamiiy RHACHIGLOSSA. 

 Family OLIVID/E. 



Genus OLIVA Bruguiere. 



Oliva litterata Lamarck. 



Plate XLIV, Figs, la, lb. 



Oliva litterata Lamarck, 1810, Ann. du. Mns., voL xvi, p. 31,5. 



Oliva litterata Lamarck, 1822, Anim. sans Vertebr., voL vii, p. 42.5. 



Oliva litterata 'L&va&TC^, 1822, Tabl. Encyclop. et Meth., vol iii, p. 651, pi. 362, 



figs, la, lb. 

 Oliva sp. Say, 1824, Jour. Acad. Nat. Sci. Phila., vol. iv, 1st ser., p. 126. 

 Oliva litterata Conrad, 1841, Amer. Jour. Sci., vol. xli, p. 345, pi. ii, fig. i. 

 Oliva litterata Conrad, 1843, Trans. Amer. Assoc. Geol. and Nat' p 108 pi v 



fig. 1. .,.,>-., 



Strephona literata Tuomey and Holmes, 1856, Pleiocene Fossils of South Carolina, 



p. 140, pi. xxviii, fig. 13. 

 Oliva literata Emmons, 1858, Kept. N. Car. Geol. Survey, p. 2.59, fig. 30. 

 Dactyhis Carolinensis Conrad, 1863, Proc. Acad. Nat. Sci. Phila'., vol xiv pp .563 



584. 

 Oliva carolinensis Meek, 1864, Miocene Check List, Smith. Misc. Coll. (183), p. 20. 

 Oliva litterata Dall, 1890, Trans. Wagner Free Inst. Sci., vol. iii, pt. i, p. 44. 

 Oliva C«»-oZ«»,e«.s7s Whitfield, 1894, Mou. xxiv, U. S. Geol. Survey, p.' 109, pi. xix, 



fig. 8. 



Oliva {Xeocylindrm) carolinensis Cossmann, 1899, Essais de Paleoconch. Comp., 

 vol. iii, p. 46, pi. ii, figs. 20, 24. 



Description.— "0. cylindracea, elongata, cinereo fnlvoque undata; 

 fasciis dnabns characteribus castaneo-fnscis inscriptis; spira acuta." 

 Lamarck, 1822. 



Shell cylindroid, somewhat inflated above the middle of the body 



