332 
ACTI2fOPTEEXGII. 
28086. Small pectoral spine ; Bracklesham. 
Presented hy F. E. Ediuards^ Esq., 1852, 
38891-93, 39000. Head-bone, imperfect pectoral and dorsal spines, 
and fulcral spine of dorsal fin, the latter shown of the 
natural size in the accompanying fig. 11 A ; Bracklesham. 
Boiverhank Coll. 
P. 4306. One imperfect dorsal, and two imperfect pectoral spines ; 
Bracklesham. Enniskillen Coll. 
P. 1894-5. Two small pectoral spines, one being incomplete distally. 
a nearly complete supraoccipital and other head-plates; 
Bracklesham. Egerton Coll. 
P. 9425. Supraoccipital, shown of the natural size in the accom¬ 
panying fig. 11 B ; Bracklesham. Egerton Coll. 
Pig. 11. 
^ B 
Arms egertoni ; dorsal fulcral spine (A) and supraoccipital bone (B), nat. size. 
38894-95. Two imperfect supraoccipitals, one being small; Brack¬ 
lesham. Bowerhank Coll. 
P. 1894. One imperfect pectoral, and four imperfect dorsal spines, 
either of this or the next species, noticed by Woodward 
and Xewton, loc. cit .; Barton Clay, Barton Cliff, Hamp- 
Egerton Coll. 
Arius crassus (Koken). 
1884. Otolitlius (incertce sedis) crassus, E. Koken, Zeitschr. deutsch. 
geol. Ges. vol xxxvi. p. 559, pi. xii. fig. 1-3. 
1889. Ajius crassus, E. T. Newton, Proc. Zool. Soc. p. 206, pi. xxi. 
figs. 1-3. 
1891. Otolithus {Arius) crassus, E. Koken, loc. cit. vol. xliii. p. 80. 
Type. Otolith ; Eoyal Huseum of Natural History, Berlin. 
