418 
ACTINOPTEKYGII. 
Zeus pliocenicus, 11. Lawley, op. cit. p. 65, pi. iv. figs. 4, 6. — ■ 
Lower Pliocene ; Oreiano. [Dermal plate.] 
Zeus robustus, D. G. Kramberger, loc. cit. p. 88, pi. i. figs. 1, 3, 8, 
pi. vi. fig. 3, and Djela Jugoslav. Akad. vol. xvi. (1895), 
p. 62, pi. xii. fig. 1. — Upper Oligocene: Tiiffer. [Frag- 
mentary fish.] 
Indeterminable fragments of fishes from the Upper Miocene of 
Licata, Sicily, are named Zeus licatm by H. E. Sauvage, Ann. Sci. 
Nat. [5] vol. xiv. (1870), art. no. 7, p. 7, and Ann. Sci. Geol. vol. iv. 
(1873), art. no. 1 , p. 147, figs. 43, 44. 
Division B. SCOMBEIFORMES. 
Pelvic fins thoracic, never with more than five articulated rays in 
addition to the spine, rarely without spine but more than five 
articulated rays. Dorsal and anal fin-spines eithor very few or 
comparatively feeble. Caudal pedicle much contracted. No bony 
stay between circumorbital ring and preoperculum. 
Synopsis of Families represented by Extinct Oenera or Species. 
I. Snout not produced. 
Few crowded spines in front of 
much-extended dorsal fin ; ver- 
tebras 28 to 40 in total number. 
Spinous portion of dorsal fin much 
less extended than articulated 
portion; vertebras 24 (10+14) 
in total number, rarely one 
more or less 
Spinous portion of dorsal fin more 
extended than articulated por- 
tion ; vertebras 30 to 160 in 
total number 
II. Snout produced into olongated ros- 
trum. 
Skeleton very delicate ; vertebrae 
60 to 60 in total number ; pelvic 
fins complete 
Skeleton very robust ; rostrum 
formed by premaxilloe ; vertebrae 
24 to 26 in total number ; pelvic 
fins reduced or wanting 
Strom ATE injE (p. 419) 
Carangidj® (p. 426). 
SCOMBRlniE (p. 461). 
Paljeorhynchidje (p. 482). 
XipiiiidA'I (p. 490). 
