456 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
ANALYSIS OF AMERICAN SPECIES OF APRION. 
a. Body oblong-elliptieal, the depth 3 in length; scales large, regularly arranged, 
7-60-15, those above lateral line in series parallel with the lateral line; gill-rakers 
numerous, about 17 on lower part of arch; mouth rather small, the canines 
feeble; tongue toothless; opercle ending in an evident spine; preopercle serrate 
on angle; vomerine teeth in a A-shaped patch; caudal well forked; anal spines 
graduated; last ray of dorsal and anal produced; D.x, 11; A, 10,8. Head, 3; 
Color, rose-red, with some pearly markings.-.....-..---- MACROPHTHALMUS, 26. 
26. APRION MACROPHTHALMUS. (Voraz.) 
Centropristis macrophthalmus Miiller & Troschel, in Schomb. Hist. Barbadoes, 666, 
1848 (young). 
Elastoma macrophthalmus, Cope, Trans. Am. Philos. Soc. 1869, 468 (St. Martins, New 
Providence, St. Croix). 
Aprion macrophthalmus, Jordan & Swain, 1. c. 
Mesoprion vorax Poey, Mem. 11, 151, 1860 (Cuba). 
Platyinius vorax, Gill, Proc. Acad. Nat. Sci. Phila. 1863, 237 (generic diagnosis) ; Poey, 
Synopsis, 292, 1868; Poey, Enumeratio, 31, 1875. 
Habitat: West Indies. 
Etymology: paxpés, large; cgadpds, eye. 
This species is rather common in the markets of Havana, where it is 
known as voraz, by which the specific name vorax has been suggested. 
According to Poey the Centropristis macrophthalmus of Miller & 
Troschel was based on the young of this species; if so, the latter name 
has the right of priority. This species agrees closely with the descrip- 
tions of Aprion filamentosus (Cuv. & Val.) from the islands east of 
Africa, but it would be premature to unite two species from such widely 
separated localities without an actual comparison of specimens. Dr. 
Klunzinger regards the two species as identical. According to his 
account, however, A. filamentosus is a slenderer fish, the depth 43 in the 
total length (33 in A. macrophthalmus), and the scales are 7-55-14, the 
caudal more deeply forked, the lobes 3 times the middle rays (22 times 
in ours). 
VII. ETELIS. 
Etelis Cuv. & Val., Hist. Nat. Poiss., 11, 127, 1828 (carbunculus). 
Elastoma Swainson, Nat. Hist. Fishes, 1, 168, 202, 1839 (oculatus). 
Hesperanthias Lowe, Fishes of Madeira, 18438, 14 (oculatus). 
Macrops Duméril, Ichth. Analytique, 1856, 279 (oculatus). 
Etelis Gill, Proc. Ac. Nat. Sci. Phila. 1862, 447. 
Type: Htelis carbunculus Cuv. & Val. 
Etymology: Htelis, a name used by Aristotle for some fish not 
recognizable. 
The synonymy and relations of this interesting genus have been well 
discussed by Dr. Gill in the paper above cited. In spite of the differ- 
ence in the form of its dorsal, the relations of Htelis with Aprion are 
very close. The skulls in the two are almost identical, as has already 
been noticed by Poey and Gill. 
