126 
ACTINOrTERYGIl. 
49884. Another imperfect specimen, displaying piremaxilla, maxilla, 
supramaxillaries, and small pectoral lin ; Arundel, Sussex, 
Cajpron Coll. 
41688-89. Partly displaced remains of typical specimen, and a 
fragment; Lower Chalk, Burhani, Kent. The second 
specimen is shown from below, nat. size, in PI, X. fig. 6, 
and displays the base of the pelvic fins {plv.). 
■' Toiihnin Smith Coll. 
47914-15. Two small specimens, with incomplete head and tail; 
Burham. Presented hy the Hon. Robert Marsham, 1877. 
P. 1945, P. 1946, -a. Good specimen and two fragments ; Burham. 
The third is shown, nat. size, in PL A. fig. 5. Eyerton Coll. 
49013. Bemains of large fish, displaying eight rays in each pelvic 
fin, the foremost very stout but distinctly articulated 
distally ; probably from Burham. Mrs. Smith’s Coll. 
49014, 49049-51. yerticall 3 ^-crushed small head and abdominal 
region, also three fragments; probably from Burham. 
Mrs. Smith's Coll. 
P. 5681. Two larger specimens ; probabl}^ from, Burham. 
Harford Coll. 
P. 6534. Fragments ; Blue Bell Hill, Burham. 
Presented by S. J. Hawkins, Esq., 1891. 
39075. Fragment; Kent. Bowerbank Coll. 
Genus AUIjOLEPIS, Agassiz. 
[Poiss. Foss. vol. V. pt. ii. 1841, p. 109.] 
Head and trunk not much laterally compressed, and abdomen 
flattened. Mandible a little prominent,, and gape extending to 
hinder margin of orbit; maxilla much arched, with large supra- 
maxillary bones ; margin of the jaws with clusters of minute teeth. 
Vertebral centra not longer than deep, slightly constricted, and 
■marked with small irregular longitudinal ridges ; [probably between 
40 and 50 in number]. Xo enlarged scale at the base of the 
paired hns; pectorals well on the side of the fi^h and the pelvic 
pair so far advanced that their basals almost reach the pectoral 
arch ; anal fin small and remote; caudal fin forked, and its rays 
comparatively slender, with joints longer than broad, and sub¬ 
division only quite at the extremity. Scales large and stout, smooth 
