70 PERCESOCES. 
2. JOTURUS, Poey, 1861. 
Joturus, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 820. 
Mouth rather small, inferior, with short lateral cleft; jaws with bands of small incisor-like teeth with 
serrated edges, the band in the lower jaw interrupted at the symphysis; very small teeth on vomer, 
palatines, and pterygoids. Three anal spines. 
A single species. 
1. Joturus pichardi. 
Joturus pichardi, Poey, Mem. ii. p. 263 (1861)’; Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 
1896, p. 821, and 1900, fig. 348°; Meek, Publ. Columbian Mus., Zool. v. 1904, p. 188°. 
Agonosioma globiceps, Giinth. Ann. Mag. Nat. Hist. (4) xiv. 1874, p. 870%. 
Joturus stipes, Jord. & Gilb. Proc. U.S. Nat. Mus. 1882, p. 873°. 
Depth of body 33 in the length, length of head 42. Profile decurved from origin of dorsal to mouth, the 
snout obtuse, longer than the eye, the diameter of which is 54 in the length of head. Interorbital 
region very convex, its width 4 the length of head. Preorbital serrated posteriorly. 43 scales in a 
longitudinal series, Dorsal IV, 19; origin of spinous dorsal much nearer tip of snout than base of 
caudal; first spine rather more than 2 the length of head. Anal II 11, the first articulated ray simple. 
Pectoral a little shorter than the head, extending to below the spinous dorsal. Caudal forked. 
Olivaceous, without markings, 
Hab. SoutHERN Mexico To PanaMa.—CvuBa: 
Mexico, Misantla in Vera Cruz+; Costa Rica?; Panama®; Cuba}. 
Here described from the type of A. globiceps, a specimen 240 mm. in length. The 
species is said to attain a length of 600 mm., and to live only in mountain-torrents and 
at the foot of waterfalls. 
3. MUGIL, Linn. 
Mugil, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p- 809. 
Mouth rather small, transverse, subterminal ; rami of lower jaw forming an angle; lower jaw with a more 
or less distinct symphysial prominence ; teeth very small, ciliiform, in one or a few series. Three anal 
spines. 
A large number of species of “Grey Mullet” are known from the coasts of tropical 
and temperate countries, entering fresh waters. 
Synopsis of the Mexican and Central-American Species. 
Adipose eyelid well developed. Dorsal IV, I 7-9. Anal III 7-9. 
I. Second dorsal naked, except for a series of small scales behind each ray; anal rays 
usually III 8. 
88 to 48 scales in alongitudinal series . . . . . .. ..... . . XJ. cephalus. 
32 to 86 scales ina longitudinal series . . . . ........ . « & brasiliensis. 
