1. CTPRINODON. 301 



First Group. CYPRINODONTID^ CARNIVORE. 



The bones of each mandibulary are firmly united ; intestinal 

 tract short or hut little convoluted. Carnivorous or insectivorous. 



1. CYPRINODON*. 



C}T)rinodon, Lacep. v. p. 486. 



Lebias, Cuv. Regne Anim. 



Aplianius, Nardo, Prodr. Adriat. Ichthjol. pp. 17, 2.3. 



Micromugil, Gxdia, Tentamen Ichthijul. Melit. p. 11. 



Cleft of the mouth small, developed laterally and horizontally; 

 mandible short, with the bones of each side finnly united. Snout 

 short. Teeth of moderate size, notched, in a single series. Scales 

 rather large. Origin of the anal fin behind that of the dorsal in 

 both sexes, both fins being larger in the male than in the female. 

 Intestinal tract but slightly convoluted. 



Fresh waters of the Mediterranean region ; North America. 



The species may be arranged geographically thus : — 



a. Species of the Old World, p. -302. 

 /3. Species of the New World, p. 305. 



* 1. Cyprinodon elegans, Baird 8f Girard, in Proc. Acad. Nat. Sc. Philad. 

 1853, p. 389, and in U. S. Sf Mex. Bound. Ichthyol. p. 66, pi. 37. 

 figs. 1-7. —Rio Grande del Norte. 



2. gibbosus, Baird cf- G-irard, in Proc. Acad. Nat. Sc. Philad. 1853, 



p. 390, and in U. S. # Mex. Bound. Ichthyol. p. 67, pi. 38. figs. 1-7.— 

 Texas. 



3. macularius, Baird cf Girard, Proc. Acad. Nat. Sc. Philad. 1853, 



p. 389, and in U. S. # Mex. Bound. Ichthyol. p. 68, pi. 37. figs. 8-11.— 

 Rio San Pedro. 



4. californiensis, Girard, Proc. Acad. Nat. Sc. Philad. 1859, p. 157. — 



San Diego. 



5. eximius, Girard, I. c. p. 158. — ChUiua-hua River. 



6. Apbanius faseiatus, Nardo, Prodr. Adriat. Ichth. pp. 17 & 23, or Isis, 



1827, p. 438 ; and Boerio, Dizion. Biahtto Venez. 1829, p. 438.— 

 Brackish water near Venice. D. 12. A. 12. 



7. Micromugil timidus, Gidia, Tent. Ichthyol. Melit. p. 11: "Dorso plum- 



beo, abdoinine argenteo lucido, fasciis obscuris longitudinalibus 

 ornato." — Malta. Vernacular name : Buzak. 



8. macrogaster, Gidia, I. c. : " Corpore platineo, pinnis omnibus fla- 



vescentibus." — Malta. 



9. Trifarcius riverendi, Poey, Mem. Cub. ii. p. 306. — Cuba. 



10. Adinia multifasciata, Girard, Proc. Acad. Nat. Sc. Philad. 1859, p. 117; 

 and in U. S. 8( Mex. Bound. Ichth. pi. 38. figs. 12-14 (as Limia poeci- 

 loides, fem.) Irom Texas. — The characters assigned to the genus Adinia 

 are quite insufficient to distinguish it from Cyprinodon or Fundulus; 

 so that, until the typical specimens are reexamined, it must remain 

 imcertain whether this fish ought to be referred to one of the genera 

 named, or wliether it is reallv the type of a distinct genus. 



