110 
ACTINOPTERTGII. 
4086, 4462. The two type scales described and figured by Agassiz, 
loc. cit. ; Lewes. Mantell Coll. 
25861. Three fine scales, one shown of the natural size in PI. IX. 
fig. 2 ; Sussex. Dixon Coll. 
49796. Practiired very deep and narrow scale ; Glynde, near 
Lewes. Capron Coll. 
49797. Imperfect abraded scale; Amberley, Arundel. Capron Coll. 
49798. Group of imperfect scales ; Dorking, Surrey. Capron Coll. 
41712. Three small scales, one shown of the natural size in PI. IX. 
fig. 3 ; Lower Chalk, Burham, Kent. Toulmin Smith Coll. 
P. 1806. Three fragmentary scales, labelled by Agassiz; Burham. 
Egerton Coll. 
P. 9045. Scale ; Burham. Presented hy S. J. HawTcins., Esq., 1891. 
P. 5677. Three small scales; Kent. Harford Coll. 
P. 5843. Two small scales ; Kent. Purchased, 1888. 
49056. Pour small scales ; Kent. Mrs. Smith’s Coll. 
P. 6052. Scale; Kent. Presented hy F. Harford, Esq., 1889. 
47938. Two comparatively broad small scales ; Burham. 
Presented hy the Hon. Robert Marsham, 1877. 
37397, 47260, 49110. Pour small scales and imperfect group ; 
Chalk Marl, Dover. 
Purchased 1863, Gardner Coll., ^ Mrs. Smith’s Coll. 
P. 7259. Three fragmentary small scales, doubtfully of this species ; 
Cambridge Greensand, Cambridge. Jesson Coll. 
Some generically indeterminable scales, of which there are no 
examples in the Collection, are also described under the name of 
Cladocyclus as follows :— 
Cladocyclus occidentalis, I. Leidy, Proc, Acad. Xat. Sci. Philad. 
1856, p. 256, and Contrib. Ext. Yert. Pauna W. Territ. 
(Eep. D.S. Geol. Surv. Territ. vol. i. pt. i. 1873), p. 288, 
pi. xvii. figs. 21,22, pi. xxx. fig. 5. Deferred to Ichthyodectes 
arcuatus l^y P. B. Loomis, Palgeontogr. vol. xlvi. (1900), • 
• p. 242, bub probably the scales of morelhan one species.-:-.. 
Cfetaceous ; Sage Creek, Dakota. [Academy of Sci^ces, 
Philadelphia, and Xational Museum, Washington.] ■' • ^ 
Cladocyclus strehlensis, H. B. Geinitz, Denkschr. Ges. fiir Xaturk. 
