386 
ACTT^'OPTEEYGII- 
rays, inserted more or less directly beneath the origin of the 
pectorals. Dorsal fin almost or completely in advance of the anal, 
very few of its anterior rays in form of slender spines which are 
crowded ; anal fin considerably extended, with four spines; caudal 
fin deeply cleft. Scales ctenoid, of moderate size, none enlarged 
or thickened ; small scales extending over the opercular apparatus, 
head, and base of the median fins. 
A figure of the skeleton of the existing Beryx decadxictylus is 
given by A. Gunther, Eep. Deep-Sea Pishes, ‘ Challenger’ Deports, 
Zool. vol. xxii. pi. vi. 
Xo extinct species of this genus are known with certainty, 
although numerous fragmentary fossils have been ascribed to it. 
The supposed species recorded in the following list are not gene- 
rically determinable and are not represented in the Collection :— 
Beryx dalmaticus, P. Bassani, Denkschr. k. Akad. ^ iss., math.- 
naturw. Cl. vol. xlv. (1882), p. 262, pi. x. fig. 1. Beryx 
lesin&nsis, P. Steindaehner, Sitzungsb. k. Akad. Wiss., 
math.-naturAv. Cl. vol. xlvii. pt. i. (1863), p. 128, pi. i. 
fig. 1; P. Bassani, Atti Soc. Yeneto-Trent. Sci. Bat. 
vol. vii. (1880), p. 12, pi. B. fig. 2.—Cretaceous; Cape 
Sesto, near Sebenico, Dalmatia. [Inmerfect fish ; Im¬ 
perial Geological Survey, Yienna.] ^^ 
Beryx dinolepidotus., G. Piseher de Y^aldheim, Bull. Soc. Imp. 
IS’at. Moscou, 1841, p. 465, pi. viii.—Upper Cretaceous ; 
Govt. Yoronej, Bussia. [Portion of trunk.] 
Beryx insculptus., E. D. Cope, Proc. Amer. Phil. Soc. vol. xi. 
(1869), p. 240, and Yert. Cret. Porm. Y^est (Bep. U.S. 
Geol. Surv. Territ. vol. ii. 1875), pi. Hi. fig. 4.—Green¬ 
sand no. 5 ; Yew Jersey. [Portion of trunl^|(Y^/^'»i-. 7yi 
Beryx multidentaUis, A. Stewart, Kansas Univ. Quart. [A] vol. vii. 
(1898), p. 196.—Upper Cretaceous; Kansas. [Indeter¬ 
minable mandible and maxiUa, referred to Anogmim 
evolutus by P. B. Loomis, Palseontogr. vol. xlvi. (1900), 
p. 257 ; University of Kansas.] 
Beryx suhovatus, P. Bassani, loc.cit. (1882), p. 226, pi. viii. fig. 4. 
—Cretaceous ; Isle of Lesina, Dalmatia. [Imperfect fish ; 
Imperial Geological Survey, Yienna.] 
Beryx valencieimesi.^ E. Hebert, Mem. Soc. Geol. Prance, [2] 
vol. V. (1855), p. 349, pi. xxvii. fig. 2.—Upper Senonian ; 
Meudon, Prance. [Imperfect fish, wanting greater part 
of fins.] 
