LAMNIDaU 
421 
The type specice of moderate size. Teeth comparatively broad, 
compressed, without indications of lateral denticles. Coronal apex 
often slightly curved outwards ; external coronal face of the upper 
teeth often marked by few vertical wrinkles. 
As tbe result of Lawley’s researches, the fossil teeth here enume- 
rated may be regarded as pertaining to the existing species. 
Form. 4c Loc. Pliocene : Italy, Sicily, and England. (?) Miocene 
and Eocene : South Carolina, XJ.S.A. Newer Tertiary : Chili. 
27029-30, 27520. Nine abraded teeth ; Red Crag, Sutton, Suffolk. 
Purehased, 1851-52. 
41341. Eight abraded teeth ; Red Crag, Suffolk. 
Brou'n Coll. — Presented hy Sir Richard Owen, K.C.B., 1859. 
P. 5805. Tooth with scarcely abraded crown ; Coralline Crag, 
Orford, Suffolk. Purehased. 
P. 2313. Imperfect tooth, much resembling those of this species; 
Older Miocene (?), New Zealand. By e-vehange, 1876. 
47022. Tooth and dental crown ; Orciano, Tuscany. 
Purchased, 1875. 
P. 5550. Four teeth, more or less imperfect ; Piacenza, N. Italy. 
By exchange, 1 888. 
48996. Seven teeth ; Newer Tertiary, Coquimbo, Chili. 
Presented hy C. J. Lambert, Esq., 1878. 
The following species are also recognized upon the evidence of 
detached teeth, though it is not improbable that some of the names 
are synonyms of those recorded above : — 
Carcharodon brevis, H. Le Hon, Prelim. Mem. Poiss. Tert. Belg. 
(1871), p. 7, woodcut. — Pliocene ; Belgium. 
Carcharodon caifassil, R. Lawley, Nuovi Studi Pcsci etc. Colline 
Toscane (1876), p. 23. — Pliocene ; Tuscany. 
Carcharodon costtr, G. G. Gemmellaro, Atti Accad. Gioenia Sci. 
Nat. [2] vol. xiii. (1857), p. 303, pi. v. a. figs. 1 a, 2 a. — 
Miocene ; Sicily. [? C. megahdon.'] 
Carcharodon gibbesii, G. Michelotti, Miocene Inf. Italic Septen- 
trionale (Mem. Soc. Holland. Sci. Haarlem, 1861), p. 143, 
pi. xiv. figs. 5-7. — Miocene; N. Italy. 
Carcharodon leptodon, L. Agassiz, Poiss. Foss. vol. iii. (1843), 
p. 259, pi. xxviii. figs. 1-6. — Formation and locality 
unknown. 
