LAMNID^. 
389 
41337, 41340. Two tooth; Miocene, Maryland, U.S.A. 
Purchased, 1869. 
41911. Two teeth; Crag, Suffolk. Purchased, 1870. 
42853. Six teeth ; Crag, Antwerp. Van Breda Coll. 
P. 2366, P. 2391. Twelve teeth; Crag, Antwerp. Enniskillen Coll. 
P. 293. Four imperfect teeth ; Pliocene, Montpellier, S. France. 
Transferred from Mus. Practical Geology, 1880. 
47023-4. Lateral tooth, and one probably from the symphysis of 
the lower jaw of this species; Pliocene, Tuscany. 
Purchased, 1875. 
1083 (Sloane Cat.). Tooth ; locality unknown. Sloane Coll. 
43995. Four large teeth, provisionally assigned to this species ; 
Miocene, Mordialloc, Melbourne. Purchased, 1872. 
Oxyrhina crassa, Agassiz. 
1S4.3. O.ryi-hiiia erassa, L. Agassiz, Poiss. Foss. vol. iii. p. 28-3, pi. xxxni. 
fig. 16 {non pi. xxxiv. fig. 14;. 
(? ) l.'^O. O.ryrhiiin erassa, 11. W. Gibbes, Joum. Acad. Nat. Sci. Philad. 
[2] vol. i. p. 202, pi. xxvii. figs. 159, ICO. 
18.57. Oxyrhina erassa, G. G. Gemmellaro, Atti Accad. Giocnia Sci. 
Nat. [2] vol. xiii. p. 317, pi. i. a. fig. 11a. 
1871. Oxyrhina benedeni, II. Le lion, Prelim. M6m. Poiss. Tert. Belg. 
p. 6, woodcut. 
1876. Oxyrhina erassa, R. Lawley, Nuo« Studi Pesci etc. Colline 
Toscane, p. .30. 
1876. Ojyrhina yibbosissima, R. Lawley, op. cit. p. 31. 
1876. Oxyrhina foresHi, R. Lawley, op. cit. p. 31. 
1881. O.iyrhina 'forestu, R. Lawley, Studi Comp. Pesci foss. coi viv 
generi Carcharndon, Oxyrhina, e Galeoeerdo, p. 107, pi. iv. {O.ry- 
rhina), fig. 1. 
1881. Oayrhina quadrans, R. Lawley, op. (it. p. 112, pi. iv. {Oxyrhina), 
fig. 2. 
1881. Oxyrhina furestii, R. Lawley, op. cit. p. 121, pi. iv. {Oxyrhina), 
fig. 3. 
1681. 0.ryrhina yilbosissima, R. Lawley, <y). cit. p. 118, pi. iv. {Oxy- 
rhina), fig. 4. 
Type. Detached tooth. 
A large species, the teeth extremely robust. Anterior teeth 
narrow, with high crown, and deep root divided into two long 
