actinopterygii. 
4066, 4462. The two type scales described and figured b) ' 
loc. cit . ; Lewes. Mantell Co 
25861. Three fine scales, one shown of the natural size in P^ 
fig. 2 ; Sussex. Dixon Cou- 
49796. fractured very deep and narrow scale ; Glj’nde, n e 
Lewes. C apron 6® 
49797. Imperfect abraded scale ; Amberley, Arundel. Gapron - 
49798. Group of imperfect scales ; Dorking, Surrey. Gapron ( 0 
41712. Three small scales, one shown of the natural size in U" ^ 
fig. 3 ; Lower Chalk, Burham, Kent. Toulmin Smith 
P. 1806. Three fragmentary scales, labelled by Agassiz; Burha 
Egerton 
P. 9045. Scale ; Burham. Presented by S. J. Hawkins, Esq -, l8Jl ' 
P.5677. Three small scales ; Kent. Harford 
P. 5843. Two small scales ; Kent. Purchased, ' 
49056. Four small scales ; Kent. Mrs. Smiths 
1 989. 
P. 6052. Scale ; Kent. Presented by F. Harford, Esq., 
47938. Two comparatively broad small scales ; Burham. . pll. 
Presented by the Hon. Robert Marsham, 
37397, 47260, 49110. Four small scales and imperfect p* 
Chalk Marl, Dover. , q 0 ji t 
Purchased 1863, Gardner Coll., Sf Mrs. Smiths 
P. 7259. Three fragmentary small scales, doubtfully of this S P®^^ 
Cambridge Greensand, Cambridge. Jesson 
Some genericallv indeterminable scales, of which there < ^ 
examples in the Collection, are also described under the na 
Gladocyclus as follows : — 
Gladocyclus ocddentalis, J. Leidy, Proc. Acad. Nat. Sci. 
1856, p. 256, and Contrib. Ext. Vert. Fauna M • 
(Hep. U.S. Geol. Surv. Torrit. vol. i. pt. L 1873), P‘ 
Pi. xvii.figs. 21, 22, pi. xxx. fig. 5. Deferred toRhthyo ^ 
arcuatus by F. B. Loomis, I’ahcontogr. vol. xlvi. ^ 
P. -42, but probably the scales of more than one sp eC1 nceS) 
Cretaceous ; Sage Creek, Dakota. [Academy of » cie 
1 hiladelphia, and National Museum, Washington. ] ^ 
Gladocyclus strehlensis, H. B. Geinitz, Denkschr. Ges. fur 
