104 
SELACHII. 
49985. Yery large tooth, as broad as long, much abraded; the 
superficial ornament posteriorly becoming well-marked 
longitudinal ridges and furrows. Purchased , 1879. 
49986. Abraded broad tooth. Purchased , 1879. 
P. 2554. Pour much abraded specimens from the “ Black Rock; ” 
one of the type of no. 49985, another very broad, the two 
others narrowed at one extremity. Enniskillen Coll. 
* 
34969, 34970. Two abraded examples of medium size, the one of 
the type of P. 2557, the other ornamented like no. 49985. 
Purchased , 1860. 
P. 1313, P. 1316. Fourteen broad specimens, mostly abraded. 
Egerton Coll. 
44851. Three similar much abraded and somewhat broken speci¬ 
mens. Presented by Benjamin Bright , Esq., 1873. 
20575, 34971, 36306, 7. Five broken and abraded examples. 
Purchased, 1846, 1860, 1861. 
20828. Eleven small specimens, mostly fractured and abraded. 
Purchased, 1847. 
20828 a. One small specimen from the “ Black Rock,” polished to 
show structure. Purchased , 1847. 
P. 5224. Three imperfect examples. 
Presented by J. E. Lee, Esq., 1885. 
P. 1316 a. Three lateral teeth. Egerton Coll. 
20828 b. Six small abraded elongate teeth, each tapering at one 
extremity. One example shows a very thick root. 
Purchased , 1847. 
P. 2565. Two similar but larger specimens. Enniskillen Coll. 
(ix.) Clevedon , Somersetshire. 
P. 4160. Specimen of medium size, slightly broader than long. 
Enniskillen Coll. 
(x.) North Wales. 
P. 5365. Small abraded tooth, detached from matrix; Crags near 
Llangollen, Wilson Coll. 
