70 PEECESOCES. 



2. JOTUEUS, Poey, 1861. 

 Jotnnis, 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 intermitted at the symphj'sis ; very small teeth on vomer, 

 palatines, and pterygoids. Three anal spines. 



A single species. 



1. Jotiirus 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. 1901-, p. 188'. 

 Agonostoma fflobice])s, Giiuth. Ann. Mag. Nat. Hist. (4) xiv. 1874, p. 370 '. 

 Joturus stipea, Jord. & Gilb. Proc. U.S. Nat. Mus. 1882, p. 373'. 



Depth of body 3| in the length, length of head 4|. Profile decurved from origin of dorsal to mouth, the 

 snout obtuse, longer than the eye, the diameter of which is ok in the length of head. Interorbital 

 region very convex, its width i the length of head. Prseorbital serrated posteriorly. 43 scales in a 

 longitudinal series. Dorsal IV, I 9 ; origin of spinous dorsal much nearer tip of snout than base of 

 caudal; first spine rather more than i 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. 



Hal). Southern Mexico to Panama. — Cuba : 



Mexico, Misantla in Vera Cruz'^; Costa Rica-; Panama ^j Cuba i. 



Here described from tire type of A. glohiceps, a specimen 240 mm. in lengtb. 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 oca 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. 



iS>/no2)sis 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. 



38 to 43 scales in a longitudinal series 1. cephalus. 



32 to 36 scales in a longitudinal series 2. brasiliensis. 



