114 
SELACHII. 
40252. Specimen figured by the present writer, loc. cit. pi. i. fig. 9. 
A transverse section of this fossil is shown in the ac¬ 
companying woodcut, fig. 5. Edwards Coll. 
Fig. 5. 
38838, 39245. Two large specimens; the first figured loc. cit. pi. i. 
g Boiverbcink Coll. 
P. 3040. One large example, showing 14 median teeth, flanked by 
two imperfect lateral series ; noticed, loc. cit. p. 43. 
Enniskillen Coll. 
24843. Medium-sized abraded specimen. Purchased, 1850. 
P. 1504. Medium-sized specimen, with striated surface partly pre¬ 
served Egerton Coll. 
P. 1507 a, b. Three very small examples probably referable to this 
species ; two are figured, loc. cit. pi. i. figs. 5, 6. 
Egerton Coll. 
P. 1507. Five small specimens. Egerton Coll. 
P. 1505. One small specimen. Egerton Coll. 
25615. Type specimen of M. edwardsii , Dixon ; evidently the 
abraded dentition of a half-grown individual of M. striatus. 
Dixon Coll. 
25631-4, 25822. Five specimens, four about the size of the so-called 
M. edwardsii, two smaller. Dixon Coll. 
28082 a. Another similar specimen. 
Presented by F. E. Edivards , Esq., 1852. 
P. 3043. XTnabraded specimen showing three rows of lateral teeth; 
noticed, loc. cit. p. 43. The lateral teeth are broader than 
ordinarily, though not equalling the breadth of those of 
M. toliaqoicus. Enniskillen Coll. 
P. 3041, P. 3048, P. 4457, P. 4459-60, P. 4461 a. Eleven examples 
about the size of M. edwardsii. Enniskillen Coll. 
P. 3049 a. Specimen figured by the present writer, loc. cit. pi. i. 
fig t Enniskillen Coll. 
P. 4461 b. Two very young specimens. Enniskillen Coll. 
