400 Proceedings of the Ohio State Academy of Science. 



Surface seems to be smooth in most specimens. One in- 

 dividual shows transverse growth Hnes parallel with the margin 

 of the outer lip. 



Length 26 mm.; width 12 mm. 



The shell is hard to characterize except the agreement of 

 the general outline with that of the figure. 



Horizon and locality. — Maxville limestone. 

 Upper zone: Gladstone Mills (?), Below Thompson Residence, 



White Cottage. 

 Shale-nodular zone : Cut No. 5, Mt. Perry- Fultonham ; Kroft 



Bridge, White Cottage; Stimmel Residence, Maxville. 

 Undetermined zone : Middle of Cut No. 6, Mt. Perry-Ful- 

 tonham. 



BULIMORPHA CANALICULATA— Hall. 



1856. Biilimella canaliculata. Hall, Trans. Albany Inst., Vol. IV, p. 29 

 St. Louis limestone : Spergen Hill, Indiana. 



1882. Buliinorpha canaliculata. Whitfield, Bull. Am. Mus. Nat. Hist., 



Vol. I, p. 74, pi. 8, fig. 41. 

 St. Louis group : Spergen Hill, Indiana. 



1883. Buliinorpha canaliculata. Hall, Ind. Geol. and Nat. Hist., 12th 



Rep., p. 367, pi. 31, fig. 41. 

 St. Louis group : Spergen Hill and Lanesville, Indiana. 

 1889. Bulimorpha canaliculata. Keyes, Proc. Acad. Nat. Sci. Phil., p. 



300. 

 1906. Buliinorpha canaliculata. Cumings, Ind. Dept. Geol. Nat. Res., 

 30th Ann. Rept., p. 1343, pi. 25, fig. 41. 

 Salem limestone: Spergen Hill, Indiana. 



Description. — "Shell sub-fusiform, somewhat elongate; 

 spire short, scarcely equaling the length of the last volution ; 



Fig. 25. — Bulimorpha canaliculata. A view of an imperfect specimen 

 referred to this species, enlarged four times. 



volutions about five, upper ones scarcely convex, rapidly dimin- 

 ishing to the apex ; last volution longer than the spire above, 



