384 MEMOIRS OF THE CARNEGIE MUSEUM 
Two good examples of this species are preserved in the collection of the British 
Museum, and as many in that of the Carnegie Museum. These are cataloged as 
follows: 4433, 4433a, 4457, 4457a. One of these is shown in Plate XCVI, fig. 3. 
Division GOBITFORMES. 
According to Boulenger the Gobies, which constitute this division, are not 
very remote from the Perciformes, and may have evolved out of a type not very 
different from the Percide. 
Synopsis OF FAMILIES REPRESENTED BY ExTINcr GENERA OR SPECIES. 
All abdominal vertebrae with large transverse processes supporting ribs.... Gobiide. 
Abdominal vertebree without transverse Processes. ..............e sere ee eeee Trachinide. 
Family Gosrp”. 
The so-called Gobius microcephalus Agassiz, the systematic position of which 
is doubtful, may be provisionally retained in this family, to which Agassiz first 
assigned it. The typical specimen is preserved in the British Museum of Natural 
History, and another, nearly as perfect, in the Bayet Collection of the Carnegie 
Museum (No. 4504). This is shown in Plate XCVI, fig. 4, twice enlarged. 
Family TRACHINID. 
Genus CaLLipreryx Agassiz. 
This extinet genus is known only by two species from the marine Upper 
Eocene of Italy. 
49. Callipteryx speciosus Agassiz. (Plate CI, fig. 1.) 
1796. Gadus merluccius G. 8. Volta, Ittiolit. Veronese, p. 72, pl. XV (errore). 
1835. Callipteryx speciosus L. Agassiz, Neues Jahrb., p. 293 (name only). 
1838-42. Callipteryx speciosus L. Agassiz, Poiss. Foss., Vol. IV, pp. 12,196, pl. 
OO fig 32, 
1901. Callipteryx speciosus A. 8S. Woodward, Brit. Mus. Cat. Fossil Fishes, pt. 
LV, p. 589. 
Type.—Imperfect fish; Paris Museum of Natural History. 
This is a large form, attaining a total length of about 70 cm. It is not repre- 
sented inthe collections of the British Museum, but two fine specimens belong- 
ing to it are preserved in the Carnegie Museum. These are cataloged as Nos. 
4404 (in counterpart) and 5244. 
