330 
sisLAcnii. 
47220 a, 47220 b. Two spccimoiis, shown, of tho natural size, in 
PI. XI. figs. 22, 23 ; Gault, Folkestone. Gardner Goll. 
47220 C, 47220 d. Two smaller teeth, one anterior, one from tho 
side of the jaw ; Gault, Folkestone. Gardner Goll. 
39219. Tooth as largo as tho typo speeimens, but less olovatod and 
reforablo to a more posterior situation in tho jaw ; Gault, 
Folkostono. Bowerhanh Goll. 
Synechodus sulcatus (Davis). 
1888. Odontaepis aidcata, .1. W. Davis, Trans. Roy. Dublin Soo. [2] 
vol. iv. p. 25, pi. V. figs. 11-13. 
1888. Synechodus sulcatus, A. S. Woodward, Geol. Mng. [3] vol. v. 
p. 409. 
Type. Detachod toeth ; Colonial Museum, Wellington, New Zea- 
land. 
A species known only by tho lateral teeth, which are much com- 
pressed. The cones are well separated, each having a broad base 
and an elongated slender extremity ; and tho lower half in all is 
marked by a few widely-spaced vertical wrinkles. 
Form. ^ Loc. Cretaceo-Tertiary (Black Grit Scries) : Amuri Bluff, 
New Zealand. 
P. 2314. Imperfect dental crown. By exchange, 187d. 
Undetermined species of Synechodus are indicated by tho follow- 
ing teeth ; — 
48954. Anterior tooth, measuring 0-008 from side to side, and half 
of a tooth of corresponding size from the middle of tho 
ramus of the jaw ; Upper Chalk, Norwich. The teeth are 
very suggestive of S. dubrisiensis, but are distinguished by 
the breadth and compression of the lateral denticles. 
Bayfield Goll. 
P. 5846. A still larger anterior tooth, measuring 0-009 from side to 
side, differing from tho foregoing in its much greater height 
and the smoothness of the coronal surface ; Upper Chalk, 
Norwich. Presented by B. B. Woodward, Esq., 1888. 
48953. Anterior tooth much resembling that of S. recurvus, but 
somewhat larger, and with the lateral cones more di- 
vergent ; shown, of tho natural size, in PI. XII. fig- 7 ; 
Upper Chalk, Norwich. Bayfield Goll. 
P. 5847. A loss perfect similar tooth; Upper Chalk, Norwich. 
