418 
CROSSOPTERYGII. 
angular, and inferior half of the clavicle of the right side 
figured ibid. pi. lxv. c. fig. 3: Lewes. The clavicle is 
shown from the inferior aspect, which is concave, as 
noted by Huxley, loc. cit. p. 33. Mantell Coll. 
4298. Caudal fin-rays, figured ibicl. pi. lxv. c. figs. 4, 5 ; Lewes. 
Mantell Coll. 
4270. Head and anterior portion of trunk, showing air-bladder, 
figured ibid. pi. lxv. d. fig. 1 ; Lewes. The cluster of 
teeth on the supposed vomers is prominent ; the left 
dentary is well preserved ; and the left clavicle is described 
and figured by Huxley, loc. cit. p. 33, pi. vii. fig. 4 b. 
Mantell Coll. 
4237. Head, seen from the right side, figured by Agassiz, tom. cit. 
pi. lxv. cl. fig. 2, and by Huxley, loc. cit. pi. vii. fig. 3 ; 
Lewes. Mantell Coll. 
4252. Head and abdominal region, the head figured by Agassiz, 
tom. cit. pi. lxv. d. fig. 3, and also described and figured by 
Huxley, loc. cit. p. 37, pi. vii. fig. 6 ; Lewes. Mantell Coll. 
115. Imperfect head and trunk in counterpart; Hailing, Kent. 
Portions of the fins and their supporting bones are shown, 
and the rays of the pectoral are described and figured by 
Huxley, loc. cit. p. 33, pi. vii. fig. 5 (wrongly quoted as 
no. 4258). Purchased, about 1836. 
25782. Imperfect head and trunk, wanting all the fins except a 
portion of the principal caudal; Sussex. The head is 
figured by Dixon, op. cit. pi. xxxiv. fig. 2. The tuberculated 
surface of the jugular plates is noticed by Huxley, loc. cit. 
p. 38 ; and the operculum, angular, post-maxilla, frontals, 
and parietals are similarly ornamented. The upper half 
of the clavicle is shown, is quite smooth, and does not 
appear to have been exposed. Dixon Coll. 
49834. Imperfect head and trunk, displaying the air-bladder elon¬ 
gated by crushing ; New Pit, Lewes. The head exhibits 
the parafrontals, supposed maxilla, post-maxilla, angular 
and dentary bones; and the tuberculated operculum and 
jugular plates are also well shown. Caj>ron Coll. 
49836. Much crushed remains of head and trunk, displaying many 
of the bones, scales, and fin-rays; Lewes. The outer 
portion of the clavicle exhibits irregular longitudinal 
wrinkles. Capron Coll. 
