358 MEMOIRS OF THE CARNEGIE MUSEUM 
6. Eomyrus latispinus (Agassiz). 
1835. Anguilla latispina, L. Agassiz, Neues Jahrb., p. 307 (name only). 
1839-44. Anguilla latispina, L. Agassiz, Poiss. Foss., Vol. V, pt. 1, p. 15; pt. IT, 
p. 133) pli MLE, fie, 4 
1901. Homyrus latispinus, A. S. Woodward, Cat. Foss. Fishes Brit. Mus., pt. IV, 
p. 340. 
1905. Homyrus latispinus, C. R. Eastman, Mém. Soc. Géol. France, Vol. XIII, 
No. 34, p. 15. 
Type.—Nearly complete fish; Paris Museum of Natural History. The speci- 
men cataloged as No. 4411 is the solitary example of this species represented in 
the Bayet Collection. Four specimens are preserved in the British Museum. 
7. Eomyrus formosissimus Eastman. (Plate XC, fig. 1.) 
1796. Ophidium barbatum, Volta, Ittiolit. Veronese, p. 157, pl. XX XVIII, fig. 2 
(errore). 
1835. Sphagebranchus formosissimus, L. Agassiz, Neues Jahrb., p. 807 (name 
only). 
1844. Sphagebranchus formosissimus, L. Agassiz, Poiss. Foss., Vol. V, pt. HU, 
p. 188 (name only). 
1905. Homyrus formosissimus, C. R. Eastman, Mém. Soc. Géol. France, Vol. 
Delbie New 34 pecko. pl bVietion Us pl fie. 1. 
Type.—Nearly complete fish; Paris Museum of Natural History. 
A single nearly complete example of this species, preserved in counterpart, 
is included in the Bayet Collection, and compares favorably with the type speci- 
men. It is cataloged as No. 5233-+5238a, and one of the halves is shown on the 
accompanying plate. 
LEPTOCEPHALUS. 
Most of the following specimens agree closely with the so-called Leptocephalus 
gracilis of Agassiz, which is evidently immature: 4224; 4225; 4231; 4296; 4458; 
4524; 4525; 4526; 4527; 4528 (faint impression). Nos. 4524 and 4526 are in 
counterpart. 
Suborder PERCESOCES. 
Elevated to the rank of a separate order, this group is stated by Mr. C. Tate 
Regan to be “defined by the presence of a spinous dorsal, the abdominal pelvic 
fins each formed of a spine and five branched rays, and the absence of peculiarities 
of related groups.” The same author also remarks:’ “The supposed relationship 
sNotes on the Classification of Teleostean Fishes. Proc. Seventh Zool. Congress, Boston Meeting. Cam- 
bridge, 1910. 
