LAMSID^. 
369 
Type. Detached teeth; Neuchatel Jruseum. 
Teeth scarcel}’ distinguishable from those of 0. eleyans, except by 
the absence of striae upon the inner coronal face. They are some- 
times more robust than the corresponding teeth of the last-named 
species, and do not appear to attain so large a size. 
Lamna dentieulata is commonly regarded as founded upon an 
upper lateral tooth of this sjiecies. L. diihia is placed in the syno- 
nymy by Le Hon, Bassani, and Sauvage. 
Form. Loe. Eocene; S.E. England, France, and Germany ; also 
Georgia, Virginia, and (?) Alabama, U.S.A. Miocene: Belgium, 
France, Spain, Switzerland, Germany, Austria, and Corsica. 
F. 4726. Five small teeth ; Lower Eocene, Heme Bay, Kent. 
Gardner Coll, 
29017 a. Four teeth, and one small tooth perhaps of this species; 
from a bed of sand at the base of the London Clay at 
Kyson (Kingston), near Woodbridge, Suffolk. 
Presented by J. Middleton, Esrp, 1854. 
F- 5512. Fine tooth ; London Clay, Portsmouth. 
Caleb Evans Coll. 
28763. Anterior portion of the jaws, with a few teeth and a frag- 
ment of a vertebra, preserved in hard clay ; London Clay, 
Isle of Sheppey. The extremely narrow first tooth cha- 
racteri.stic of each side of the mandible in the living species 
is not recognizable; but the next two teeth are well 
shown, ver)' loug and slender, and much more contorted 
than those l>cyond. Of the latter teeth two are preserved 
on the right side ; and in these the minute pointed lateral 
denticles are relativelj’ larger than in the more slender 
contorted teeth. Purchased, 1853. 
28356, 28886. Four teeth ; London Clay, Shepi>ey. 
Cowderoy Bequest and Daniels Coll. 
F. 1249. Three teeth; Sheppey. Egerton Coll. 
F. 5775. Two anterior teeth, labelled by Agassiz; 
Sheppey. Enniskillen CoU. 
F. 5510. Three small teeth ; London Clay, Highgate. 
Caleb Evans Coll. 
2b 
