CYPEINODON. 407 



fins present, far behind the base of the pectorals. Intestinal tract but slightly 

 convoluted. Oviparous. 



Fresh and brackish waters of the Mediterranean Basin, South-western Asia, the 

 South-eastern United States, Mexico, and Cuba. About eighteen species are 

 known. 



1. CYPRINODON FASCIATUS, 

 (Plate LXXIX. figs. 1 & 2.) 



Lebias fasciatus, Valenciennes, in Humboldt & Bonpland, Observ. Zool. ii. p. 160, pi. li. fig. 4 



(1821) ; Wagner, Isis, 1828, p. 1055. 

 Aphanius nanus, Nardo, Prodr. Adr. Ichthyol. pp. 17 & 23 (1827). 

 Aphanius fasciatus, Nardo, 11. cc. 

 Lebias lineo-punctata, Wagner, 1. c. pi. xii. figs. 1-6. 

 Lebias sarda, Wagner, 1. c. fig. 7. 



Poecilia calaritana, Bonelli, in Cuvier, Regne Anim. 2nd ed. ii. p. 280 (1829). 

 Lebias calaritana, Costa, Faun. Nap., Pesci, ii. p. 33, pi. xvii. fig. 2 (1839) ; Canestrini, Arch. p. 



la Zool. iv. 1866, p. 125, and Fauna d'ltal., Pesci, p. 19 (1874) ; Lepori, Atti Ace. Pom. (3) 



ix. 1881, p. 481 ; Garman, Mem. Mus. Comp. Zool. xix. 1895, p. 19. 

 Lebias flava, Costa, op. cit. p. 35, pi. xvii. fig. 1. 

 Cyprinodon calaritanus, Cuvier & Valenciennes, Hist. Poiss. xviii. p. 151 (1846) ; Bellotti, Mem. 



Ace. Torin. xvii. 1858, p. 159 ; Giinther, Cat. Fish. vi. p. 302 (1866) ; Gervais, Zool. Pal. Gen. 



p. 203, pi. xlv. fig. 5 (1869) ; Playfair & Letourneux, Ann. & Mag. N. H. (4) viii. 1871, p. 389 ; 



Sauvage, in Revoil, Faune Pays Qomalis, Cyprinod. p. 6 (1882); Vinciguerra,Ann. Mus. Genova, 



xx. 1884, p. 441 ; Rolland, Pev. Scientif. (4) ii. 1894, p, 418, figs. 

 Cyprinodon fasciatus, Cuvier & Valenciennes, t. c. p. 156 ; Martens, Arch. f. Nat. xxiv. 1858, 



p. 153, pi. iv. fig. 4 ; Giinther, t. c. p. 303 ; Sauvage, op. cit. p. 8. 

 Cyprinodon hammonis, Cuvier & Valenciennes, t. c. p. 169; Martens, t. c. p. 155, pi. iv. fig. 5 : 



Sauvage, op. cit. p. 10, pi. iii. figs. 3 & 4. 

 Cyprinodon dispar (non Piippell), Giinther, Proc. Zool. Soc. 1859, p. 474. 

 Cyprinodon cyanogaster, Guichenot, Pev. & Mag. Zool. (2) xi. 1859, p. 378. 

 Cyprinodon doliatus, Guichenot, t. c. p. 379. 



Depth of body three to four times in the total length, length of head three to three 

 and three-fourths times. Head flat above ; snout very short, squarely truncate, with 

 the mouth terminal and directed upwards, the lower jaw projecting very slightly ; 12 to 

 16 teeth in each jaw ; diameter of eye three to three and a half times in the length of 

 the head, interorbital width about twice. Dorsal fin with 10 to 12 (rarely 13) rays, 

 originating a little in advance of the anal and at nearly equal distance from the eye 

 and from the root of the caudal fin, the longest rays about half the length of the head 

 in females, two-thirds to three-fourths in males. Anal fin with 10 to 12 (rarely 9 

 or 13) rays, similar to the dorsal. Pectoral fin about two- thirds the length of the 



