448 
ACTINOPIEKTGII. 
43448. Head and trunk, wanting end of tail. 
Presented by Kenneth Murchison, Esq., 18'*" 
The undefined name Caranyopsis maximus was given by Agassi/. 
(Neues Jahrb. 1835, p. 292)'to a fish from Monte Bolca in the 
Paris Museum, originally referred to Scomber ylaucus by G. S. Volta, 
Ittiolit. Veronese (1796), p. xxxvii. pi. xxi. 
Hie so-called Caranyopsis lanceolatus (F. Bassani, Atti hoc. 
Veneto-Trent. Sci. Nat. vcl. v. 1876, p. 153, and I’alacont. Italics, 
vol. iii. 1898, p. 77, pi. viii. fig. 1), founded on a fish from Monte 
Bolea in the Geological Museum, University of Padua, does not 
belong to the family Carangidso. It may represent a species of 
Myripristis, 
Genus DUCTOR, Agassiz. 
[Poiss. Foss. vol. v. pt. i. 1844, p. 53.] 
Trunk much elongated but fusiform. Head much elongated, and 
supraoccipital crest insignificant ; eye large ; mouth small nnd teeth 
minute ; prooperculum with fine radiating markings and apparently 
serrated ; branchiostegal rays 7 or 8, relatively large. Paired 
fins small ; an anterior dorsal fin of 0 or 7 feeble spines, closely 
followed by a more extended dorsal of articulated rays; anal fin less 
extended than posterior dorsal, probably with two small feeble spines 
in front : caudal fin small. Scales very small and uniform, all 
antero-posteriorly elongated ; lateral lino not observable. 
Ductor leptosomus, Agassiz. 
1796. Callionymus vestenee, G. S. Volta, Ittiolit. Veronese, p. cxl. 
pi. xxxii. fig. 2 ( errore ). 
1790. Gobius smyrnensis, G. S. Volta, ibid. p. ccxli. pi. lviii. fig- “ 
(errore). 
1818. “ Callionymus vestenee,” II. 13. de Blainville, Nouv. Diet. d’Hist. 
Nat. vol. xxvii. p. 359. 
1818. “ Gubins smyrnensis II. D. de Blainville, ibid. p. 358. 
1834. Ductor leptosomus, L. Agassiz, Verhandl. Ges. vaterliind. Mus. 
Bohmen, p. 06 (name only). 
1835. Ductor leptosomus, L. Agassiz, Neues Jahrb. p. 293 (name only). 
1834-44. Ductor leptosomus, L. Agassiz, Poiss. Foss. vol. v. pt. i. p- ”■>, 
pi. xii. 
1876. Ductor leptosomus, F. Bassani, Atti Soc. Veneto-Trent. 8ci. 
Nat. vol. iii. p. 184. 
Type. Imperfect fish ; Museum of Natural History, Paris. 
The typo species attaining a length of about 0 - 2. Length of head 
with opercular apparatus about twico as great as maximum depth 
