ACTINOPTERYGII. 
386 
rays, inserted more or less directly beneath the origin of the 
pectorals. Dorsal fin almost or ccmipletely 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 deeaductylus is 
given by A. Gunther, Itcp. Deep-Sea Fishes, ‘ Challenger’ Reports, 
Zool. vol. xxii. pi. vi. 
No extinct species of this genus are known with certainly, 
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, F. Bassani, Denkschr. k. Akad. Wiss., math.- 
naturw. Cl. vol. xlv. (1882), p. 262, pi. x. fig. 1. Beryx 
lesinensis, F. Steindachner, Sitzungsb. k. Akad. Wiss., 
math.-naturw. Cl. vol. xlvii. pt. i. (1863), p. 128, pi- '• 
tig. 1; F. Bassani, Atti Soc. Veneto-Trent. Sci. Not. 
vol. vii. (1880), p. 12, pi. B. fig. 2. — Cretaceous ; Capo 
Sesto, near Sebenieo, Dalmatia. [Imperfect fish ; I' 11 ' 
porial Geological Survey, Vienna.] 
Beryx dinolepidolus , G. Fischer de Waldheim, Bull. Soc. Imp- 
Nat. Moscou, 1841, p. 465, pi. viii. — Upper Cretaceous ; 
Govt. Voronej, Russia. [Portion of trunk.] 
Beryx insculptus, E. D. Cope, Proc. Amor. Phil. Soc. vol. *i. 
(1869), p. 240, and Vert. Cret. Form. West (Rep. U-*"’- 
Geol. Surv. Territ. vol. ii. 1875), pi. lii. fig. 4. — Green- 
sand no. 5 ; New Jersoy. [Portion of trunk.] 
Beryx multidentatus, A. Stewart, Kansas Univ. Quart. [A] vol. vii. 
(1898), p. 196. — Upper Cretaceous; Kansas. [Indeter- 
minable mandible and maxilla, referred to Anogn 
evolutus by F. B. Loomis, Palseontogr. vol. xlvi. (1900), 
p. 257 ; University of Kansas.] 
Benjx subovatus, F. Bassani, loc.cit. (1882), p. 226, pi. viii. fig- 4 - 
— Cretaceous ; Isle of Lesina, Dalmatia. [Imperfect fi»b ; 
Imperial Geological Survey, Vienna.] 
Beryx valenciennesi, E. Hebert," Mem. Soc. Geol. France, [2] 
vol. v. (1855), p. 349, pi. xxvii. fig. 2. — Upper Senonian , 
Meudon, France. [Imperfect fish, wanting greater part 
of fins.] 
