388 ORDER MALACOPTERYG1I ABDOM1NALES. 



Molinesia, Lesueur. 



Are distinguished by the position of their anal be- 

 tween the ventrals, and under the origin of the 

 dorsal, which is very large. Their teeth are the same 

 as those of the fundulus, and they have but four or 

 five rays to the branchiae \ 



Cyprinodon, Lacep. 



Have fine and crowded teeth, and six rays to the 

 gills : in other respects they resemble the three pre- 

 ceding genera. 



There is one species in the lakes of Austria, parti- 

 cularly in the subterranean waters, Cyp. umbra, Cuv., 

 Umbra, Cramer. A small fish, of a reddish brown 

 with some brown spots 2 . 



The second family of the Malacopterygii Abdo- 

 minales, or that of 



ESOCES. 

 Is also deficient in the adipose dorsal ; its upper jaw 



ccenicola, Schn. ; Mtid-fish of Schoepf; Fund, fasciatus, Val. loc. 

 cit. liii. 1., or Pcecilia fasciala, Sclm., or Esox jrisciculus, Mitch., of 

 which his Esox zonatus, or Hydrargyre swampine, Lacep. v. 319. 

 is the young, but the figure V. x. 3. is of another species ; Fund. 

 Brasiliensis, Val. loc. cit. lii. 2. 



1 Molinesia latipinna, Lesueur, Ac. Sc. Nat. Philad. Jan. 1821, 

 t. iii. 1. 



2 Add Cyprinodon Jlavulus, Val. loc. cit. lii. 3., which is the Esox 

 Jlavulus, Mitch, pi. iv. f. 8., or the Cobitis maialis, Schn. ; C. ovinus, 



or Esox ovinus, Mitch, ib. ; C. variegatus, Lacep. V. xv. 1. 



