64 
C HIMjEROIDEI . 
43023, 43283. Right and left palatine teeth, probably of a single 
individual; Weymouth. Purchased, 1871. 
41224, 41959, 42362. One imperfect and two complete smaller 
palatine teeth ; Weymouth. Purchased, 1868-70. 
P. 3093. A still smaller left palatine tooth, and two very small 
examples ; Weymouth. Enniskillen Coll. 
41396, 43557. Two right vomerine teeth: Weymouth. 
Purchased , 1869, 1872. 
P. 1159. Imperfect left palatine and two right mandibular teeth ; 
Kimmeridge. Egerton Coll. 
32417. Left mandibular tooth, mentioned under the name of 
I. rigauxi by H. E. Sauvage, op. cit. p. 79 ; Boulogne. 
Purchased , 1857. 
41960, 42363, 43024, 43282. Three pairs of mandibular teeth ; 
Weymouth. Purchased, 1868-72. 
41172, 41384, 43556. Three mandibular teeth, one being of the 
right, and two of the left side ; Weymouth. 
Purchased, 1868-72. 
P. 6163. Pair of mandibular teeth, the left figured in Damon’s Geol. 
Weymouth, Suppl. pi. xii. fig. 4; Weymouth. 
Purchased, 1890. 
Ischyodus towns endi (Buckland). 
1835. Chimcera townsendii, W. Bucldand, Proc. Geol. Soc. vol. ii. 
p. 206. 
1836. Chimcera townsendii, W. Buckland, Phil. Mag. [3] vol. viii. 
p. 5. 
1843. Ischyodus townshendi, Sir P. Egerton, Proc. Geol. Soc. vol. iv. 
p. 156. 
1843. Cliimcera (Ischyodon) toivnsendii, L. Agassiz, Poiss. Foss. vol. iii. 
p. 343, pi. xl. figs. 20-22, pi. xl. c, figs. 17, 18. 
1878. Ischyodus townsendii, E. T. Newton, Chimseroid Fishes Brit. Cret. 
Rocks (Mem. Geol. Surv., Monogr. iv.), p. 33, pi. xi. 
1881. Ischyodus townsendii, E. T. INewton, Proc. Geol. Assoc, vol. vii. 
p. 116, woodc. 
Type. Mandibular and theoretically associated vomerine teeth ; 
British Museum. 
The type species of very large size, the measurement from 
the symphysial border to the extremity of the post-oral margin of 
the mandibular tooth being sometimes 0'14. Mandibular tooth with 
