358 
SELACHII. 
P. 2372. Imperfect tooth; Pliinerkalk, Weinbohla, Saxony. 
Enniskillen Coll. 
P. 5559. Twenty-eight teeth; Cenomanian, Saratov, Russia. 
By exchange, 1888. 
P. 5559 a. Eight teeth, doubtfully assigned to the upper jaw of this 
species; Saratov. By exchange, 1888. 
P. 598. Seventeen imperfect teeth of the so-called Odontaspis con- 
strictus , Egert.; Pondicherry, Madras. Egerton Coll. 
47885 a. Similar teeth; Pondicherry. 
Presented by the Hon. Robert Marsham, 1877. 
P. 597. Seven teeth of the so-called Odontaspis oxyprion; Pondi¬ 
cherry. Egerton Coll. 
P. 2304 a. Tooth of the form named Odontaspis kaikoraensis, Davis, 
noticed by the present writer, Geol. Mag. [3] vol. iii. 
(1886), p. 216 ; Neocomian, Amuri Bluff, New Zealand. 
By exchange, 1876. 
The following teeth are also commonly assigned to the symphysis 
of the jaw of $. (?) subulatus (e.g. see H. B. Geinitz, Pakeonto- 
graphica, vol. xx. pt. ii. pi. xxxviii. figs. 29, 30, 32); hut some are 
very suggestive of anterior teeth of the so-called Otoclus sidcatus, 
Geinitz, the long pointed lateral denticles and both faces of the 
crown being vertically plicated at the base. 
4581. Small anterior dental crown, figured by Agassiz (Joe. cit.') 
among the type specimens of Lamna (Odontaspis) rhaphio- 
clon ; Chalk, Lewes. Mantell Coll. 
49949 a. Two examples ; Chalk, Arundel, Sussex. Capron Coll. 
41707 a. One tooth; Chalk, Hailing, Kent. Toidmin Smith Coll. 
44030. Another similar specimen ; Upper Chalk, Warne’s Place, 
Rochester, Kent. Purchased, 1873. 
47218 a. One tooth; Gault, Folkestone. Gardner Coll. 
P. 2300. Much sulcated tooth; Atherfield Clay (“Lobster Bed”), 
Isle of Wight. Presented by Mrs. Burton, 1882. 
Scapanorhynchus (?) gigas, sp. nov. 
Type. Imperfect teeth ; British Museum. 
Teeth very slender, often sigmoidally curved, subulate, hut with 
sharp edges; external coronal face flat, except in the most anterior 
