PRISTIDm. 
75 
The following extinct species have also been determined, hut are 
not represented in the Collection. Except when otherwise stated, 
they are founded upon rostral teeth:— 
Pristis cicutmens, L. Agassiz, Poiss. Eoss. vol. iii. p. 382 ** (name 
only); Bagshot Sands. 
Pristis agassizi, B. W. Gibbes, Journ. Acad. Nat. Sci. Philad. [2] 
vol. i. (1847), p. 11, pi. i. figs. 6, 7.—Eocene; South 
Carolina. 
Pristis angustior , J. Probst, Wiirtt, Jahresh. vol. xxxiii. 
(1877), p. 82, pi. i. figs. 19, 20 ; C. Hasse, Natiirl. Syst. 
Elasm., Besond. Theil, p. 125. (Mouth-teeth and 
vertebrse.) Molasse ; Baltringen, Wiirtemberg. 
Pristis aquitanicus , E. Delfortrie, Actes Soc. Linn. Bordeaux, 
vol. xxviii. (1871), p. 216, pi. x. figs. 30-32. IT. Miocene ; 
Leognan, Gironde. YC 
i ? 6 a / 
Pristis basscini, A. de Zigno, Mem. B. Istit. Yeneto, vol. xxi. 
(1879), p. 783, pi. xv. figs. 13-15.—Eocene; Italy. 
Pristis curviclens , J. Leidy, Proc. Acad. Nat. Sci. Philad. 1855, 
p. 414. GreenSand; New Jersey. A.“' V . 
Pristis ensidens , J. Leidy, Proc. Acad. Nat. Sci. Philad. 1855, . 
p. 414; Journ. Acad. Nat. Sci. Philad. [2] vol. viii, 
(1877), p. 252, pi. xxxiv. figs. 31, 32.—Phosphate Beds ; 
S. Carolina. 
Pristis lathami , LL Galeotti, Mem. Cour. Acad. Boy. Bruxelles, 
vol. xii. (1837), no. 3, p. 45, pi. ii. (Portions of snout.) L?< 
Middle Eocene ; Melsbroek, Belgium. 
Pristis jparisiensis , P. Gervais, Zool. et Pal. franc, pt. v. (Poiss. 
Eoss.), 1852, p. 4, pi. lxviii. figs. 3-7, and op. cit. 2nd edit.~”L~' 
•/ (1859), p. 519, pi. lxviii. figs. 3-jb—M. Eocene ; Soissons ^ Y 
and Magny. * g ^ 
Pristis pristinus , J. Probst, Wiirtt. Jahresh. vol. xxxiii. (1877), 
p. 81, pi. i, figs. 17, 18 ; C. Hasse, Natiirl. Syst. Elasm., 
Besond. Theil, p.125. (Yertebrse.) Molasse ; Baltringen. 
Bostral teeth from the Miocene of Herault, France, have been 
described, without specific name, by P. Gervais, Zool. et Pal. gen. 
(1867-69), p. 240, woodcut, p. 237, pi. xlvii. fig. 2. Yertebrae 
from the German Molasse are also made known by C. Hasse, Natiirl. 
Syst. Elasm., Besond. Theil, p. 125, pi. xvi. figs. 64-67. The sup¬ 
posed vertebra from the Chalk Marl of Saxony (C. Hasse, op. cit. 
p. 124, pi. xvi. figs. 61-63) is probably referable to Ptychodus. 
Short and broad rostral teeth from the Eocene of Egypt are 
assigned to a distinct genus and species, Ainblypristis cheops . Dames, 
SB. Ges. naturf. Ereunde Berlin, June 19, 1888. 
