390 
SELACHII, 
branches diverging at an acute angle; lateral teeth only differing 
from those of 0. xiphodon in their considerable thickness. 
Form. ^ Loo. Eocene : S. Carolina and Alalmma. Eocene or Mio- 
cene: Valley of the llhinc. Miocene: Sicily. Pliocene: Italy and 
Eelgium. 
P. 2374. Anterior tooth; Eocene, Clarke’s Co., Alabama, U.S.A. 
Ennigkdlen Coll. 
P. 4096. Similar tooth ; Phosphate Beds, Charleston, South Carolina, 
U.S.A. ]iy exchange, 1883. 
47024 a. Imperfect lateral tooth ; Pliocene, Orciano, Tuscany. 
Furchaml, 1875. 
The following species have also been founded uj)on teeth, mostly 
detached ; but there arc no examples in the Collection : — 
0.vyrhina arjossizii : Anotodus apassizii, II. Lellon, Prelim. Mem. 
Poiss. Tort. Belg. (1871), p. 8, figs. — Pliocene ; Belgium. 
Oxyrhina brevis, O. U. Cosia, Paleont. lloguo Napoli, pt. ii. 
(1854-56), p. 82, pi. vii. figs. 8, 9. O.vyrhbia tumidulu, 
O. G. Costa, 02 K cil. pt. ii. p. 82, pi. vii. figs. 10, 11. — 
Miocene ; Naples. 
Oxyrhina cornplanctta, E. Sismonda, Mem. It. Accad. Sci. Torino, 
[2] vol. X. (1849), p. 41, pi. i. figs. 37-40. — Miocene; 
Piedmont. 
Oxyrhina enysii, J. W. Davis, Trans, lioy. Dublin Soc. [2j vol. iv. 
(1888), p, 28, pi. V. figs. 17-20. — Oamaru System; New 
Zealand. [?=0. Imuslii, Davis. j 
Oxyrhina exiyua, J. Probst, Wiirtt. Jahresh. vol. xxxv. (1879), 
p. 135, pi. ii. figs. 20-25. — Molasso; Baltringon, Wiirtem- 
berg. 
Oxyrhina fasiiyiata, J. W. Davis, tom. cit. p. 30, pi. vi. figs. 1-3. 
— Oamaru System ; Now Zealand. 
O.vyrhina yrandis, J. W. Davis, tom. cit. p. 30, pi. v. figs. 15, 16. 
— Oamaru and Waipara Systems, and Cretacco-Tortiary ; 
New Zealand. 
0.vyrhina haastii : O.vyrhina von haastii, J. W. Davis, tom., cit. 
p. 26, pi. iv. figs. 1-3. — Oamaru System ; New Zealand. 
0.vyrhina kocfii, T. C. Winkler, Archiv Veroins Er. d. Naturgesch. 
Mecklenburg, vol. xxix. (1875), p. 105, pi. ii. figs. 3, 4.— 
Miocene ; Holstein. 
0.vyrhina hmiiyata, A. Dairneries, Ann. Soc. lioy. Malacol. Belg., 
Proc.-verb. 1888, p. liv (name only). — Heersian Beds ; 
Belgium. 
