CH3ROCENTRIDJ3. 
109 
All the following specimens were obtained from Barra do Jardim, 
Serra de Araripe : — 
28901 a. Two fragments labelled by Agassiz and to be regarded as 
the type specimens. The first exhibits the much-fractured 
head, anterior abdominal scales, and remains of the pec- 
toral fin ; the second is a portion of the abdominal region, 
showing vertebral with thick neural arches, delicate ribs, 
and scales. J)ixon CoU [ 
28901 b. Portion of very large abdominal region, displaying scales 
and vertebral contra. Some of the scales exhibit a little 
eoarso crimping at the hinder border, and are shown of 
the natural size in PI. IX. fig. 1. Dixon Coll 
28901 c, d. Two more imperfect examples of squamation and 
vertebrae. Dixon Coll. 
P. 1807. Two fragments, the first showing the operculum, the 
second only scales and vertebrae. Egerton Coll. 
47897. Imperfect caudal fin of largo specimen, in counterpart. 
Presented by the Hon. Robert Marsham , 1877. 
28901 e, P. 1807 a. Portion of abdominal region of small fish, in 
counterpart. Dixon and Egerton Colls. 
P. 3872 a. Portion of small squamation. Enniskillen Coll. 
Cladocyclus lewesiensis, Agassiz. 
[Plate IX. figs. 2, 3.] 
1837. Hypsodon lewesiensis, L. Agassiz, Poiss. Foss. vol. v. pi. xxv a. 
figs. 5, 6 (figures only). 
1841. Cladocyclus, L. Agassiz, Edinb. New Phil. Journ. vol. xxx. p. 84, 
1844. Cladocyclus lewesiensis, L. Agassiz, Poiss. Foss. vol. v. pt. i. 
pp. 8, 103. 
1888. Cladocyclus levesiensis , A. S. Woodward, Proc. Geol. Assoc, 
vol. x. p. 326. 
Type. Scales ; British Museum. 
A species as large as the type, known only by detached scales, 
which are mostly deeper than broad, ornamented in their exposed 
portion with very closely-arranged small pittings, each with a 
raised border, marked in the covered portion by a few conspicuous 
radiating grooves which are often interrupted ; hinder margin not 
crimped or ridged. 
Form, fy Lor. Cenomanian and Turonian : Sussex, Surrey, Kent, 
and Cambridgeshire. 
