402 
SELACHII. 
Lamna macrota (Agassiz). 
1843. Otudtis macrijfus, L. Agassiz, Poiss. Fuss. vol. iii. p. 2/.i, 
pi. xxxii. figs. 20-31. 
1843. Lamna elcyam, L. Agassiz (in part), tom.cit. pi. xxxv. figs. 0, /, 
pi. xxxvii. a. fig. 68. 
1843. Lamna cumpressa, L. Agassiz, tom. eit. p. 290, pi. xxxvii. a. 
figs. 36-42. 
1840. Otodns macrotm, R. \V. Gibbes, Joiivn. Acad. Nat. Sci. Pliilad. 
[2] vol. i. p. 200, pi. xxvi. figs. 143, 144. 
1850. Otodns lanceolaitis, F. Dixon (tion .Agassiz), Foss. Sussex, p. 204, 
pi. xi. figs. 20, 21. 
1803. Otodns macrotns, K. E. Schafhiiutl, Siid-Bay. Letli. Oeogn. 
p. 24.3, pi. l.xii. fig. 10. 
1876. Otodns macrntns, T. 0. Winkler, Arcbiv Vcreins Fr. d. Natur- 
gesch. Mecklenburg, vol. xxix. p. 110. 
1888. Lamna maryinnlis, .1. W. Davis, Trans. Roy. Dublin Soc. [2] 
vol. iv. p. 10, pi. iii. figs. 8-10. 
Type. Detached teeth ; Paris Museum of Natural History. 
Teeth much compressed, the largest attaining a maximum total 
height of about 0'05 ; cutting-edges prominent ; outer coronal face 
gently convex ; inner coronal face with faint longitudinal strim ; a 
single jiair of lateral denticles, well separated, broad, but rarely 
acuminate. 
Form. ^ Loc. Lower Eocene : 8.E. England and South Carolina. 
Middle Eocene : London and Hampshire Basins, and N. France. 
U])per Eocene: S. Germany. Lower Miocene: Belgium and W. 
Germany. Oamaru and Waipara Systems : New Zealand. 
P. 5905. Three teeth ; London Clay, Sheppey. Daniels Coll. 
P. 1286. Three teeth ; Sheppey. Fyerton Coll. 
P. 5505. Postero-lateral tooth ; Lower Eocene, S 3 'donham, near 
London. Caleb Evans Coll. 
23200. Tooth ; Brackleshnm Bods, Bracklesham Bay, Sussex. 
Presented by S. P. Woodward, Esq., 1849. 
25683 a, 25885-6. Nineteen tooth; Bracklesham Bay. Di.ro>i Coll. 
40235. Twelve teeth ; Bracklesham Bay. Edwards Coll. 
P. 5795. Five tooth; Bracklesham Bay. Purchased, 1882. 
39774. Broad tooth; (?) M. Eocene, Hampshire. Purchased, 1802. 
40309. Anterior tooth ; Colosworth, near Woking, Surrey. 
Purchased, 1867. 
