NOTIDANIDJE. 
163 
(/28890, 30550, 32265. Six similar teeth, and one smaller; Isle of 
Sheppey. Purchased. 
'' b 
38866. One perfect and one imperfect tooth ; Isle of Sheppey. 
Bowerhank Coll. 
P. 440. T wo similar teeth ; Isle of Sheppey. Purchased 1882. 
28890 a, 28890 b, 30550 a, 38866 a. Small lower lateral teeth ; 
Isle of Sheppey. The first and third are described and 
figured by the present writer, loc. cit. p. 216, pi. vi. 
figs. 24, 25; the delicacy of the anterior serrations is a 
character of immaturity. Purchased. 
43133. Immature lower tooth and fragment, the first described and 
figured by the present writer, loc. cit. p. 216, pi. vi. fig. 26 ; 
Highgate. Wether ell Coll. 
43142. Small tooth, of typical form; Xensal Green. Wetherell Coll. 
To the front of the upper jaw either of this species or JS. primi¬ 
genius may also probably be referred the following specimens:— 
43141. Three teeth, one being much abraded, of the form named 
Xiphodolamia by J. Leidy ; London Clay, Sheppey. 
Notidanus primigenius, Agassiz. 
1843. Notidanus primigenius , L. Agassiz, Poiss. Foss. vol. iii. p. 218, 
pi. xxvii. figs. 6-8, 13-17 (? figs. 4, 5). 
1843. Notidanus recurvus, L. Agassiz, tom. cit. p. 220, pi. xxvii. 
figs. 9-12. 
1843. Sphyrna denticulata, L. Agassiz, tom. cit. p. 236, pi. xxvi. a. 
figs. 60, 61. 
1844. Notidanus primigenius, P. M. Padroni, Actes Soc. Linn. Bordeaux, 
vol. xiii. p. 281, pi. i. figs. 10, 11. 
(P) 1849. Notidanus primigenius, It. W. Gibbes, Journ. Acad. Nat. Sci. 
Philad. [2] vol. i. p. 195, pi. xxv. fig. 95. ^ 
1852. Notidanus primigenius, P. Gervais, Zool. et Pal. Franc Poiss. p. 10, ^ 1 c ' /( d°' 
pi. lxxiv. figs. 9, 10. 
1852. Notidanus primigenius, F. A. Quenstedt, Handb. Petrefakt. 
p. 167, pi. xiii. fig. 3. 
1858. Notidanus primigenius, J. Probst, Wiirtt. Jahresh. vol. xiv. 
p. 124, woodc. 
1863. Notidanus primigenius, K. E. Schafhautl, Sud-Bayerns Leth. 
Geogn. p. 239. 
1879. Notidanus primigenius, F. Bassani, Atti Soc. Veneto-Trent. Sci. 
Nat. vol. vi. p. 66. 
M 2 
