358 
snT.ACuri. 
P. 2372. Imperfect tooth; Pliinerkalk, Weinhohla, Saxony. 
EnnisJiillen Coll. 
P. 5559. Twenty-eight teeth ; Cenomanian, Saratov, llussia. 
By exchange, 1888. 
P. 5559 a. Eight teeth, doubtfully assigned to tho upper jaw of this 
species; Saratov. By exchange, 1888. 
P. 598. Seventeen imperfect teeth of tho so-callcd Odontaspis con- 
strictwf, Egort. ; Pondicherry, Madras. Egerton Coll. 
47885 a. Similar teeth ; Pondicherry. 
Presented by the lion. Robert Marsham, 1877. 
P. 597. Seven teeth of tho .so-called Odontaspis o.vyprion ; Pondi- 
cherry. Egerton Coll. 
P. 2304 a. Tooth of the form named Odontaspis Icailcoraensis, Davis, 
noticed by the present writer, Geol. Mag. [3] vol. iii. 
(1880), p. 210 ; Neocomian, Anuiri llliiff, New Zealand. 
By e.vcliange, 1878. 
The following teeth arc also commonly assigned to the symphysi.s 
of the jaw of subulatus {e. g. see II. li. Gcinitz, Palooonto- 
graphica, vol. xx. pt. ii. pi. xxxviii. hgs. 29, 30, 32) ; but some are 
very suggestive of anterior tooth of tho so-callcd Otodns sulcatns, 
Geinitz, tho long pointed lateral denticles and both faces of the 
crown being vertically plicated at the base. 
4581. Small anterior dental crown, figured by Agassiz (loe. cit.) 
among the type specimens of Lamna {Odontaspis) rhajyhio- 
don ; Chalk, Lewes. Mantell Coll. 
49949 a. Two examples ; Chalk, Arundel, Sussex. Captron 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, but with 
sharp edges ; external coronal face flat, except in the most anterior 
