Jordan and Ever7?ianti. — Fishes of North America. Ill 



Lepidosletts grayi, AoASgiz, Poissous Fossiles, ii, 2, 1836, Louisiana. 



Lepisostens plalyrhmcus, De Kav, N. T. Fauna: Fiebes, 273, 1842, Florida. 



Lepidostetis latirostris, Giuaud, Par. 11. 11. Expl., 352, 1858, Rio Pecos, Texas. 



Lepiilostetis oadalits, Winciieli., Pioc. Ac. Nat. Sci. Phila., 18G4, 183, Huron River, Mich. 



Cylindiosteits prodKcfiis, Coi>E, Proc. Ac. Nat. Sci. Pliila., 1805, 86, San Antonio, Texas. 



CyUiidrofteus agassizii, DuMliRiL, Hist. Nat. Poiss., ii, 351, 1870, St. Louis. 



CijUndroslens zadoclci, Dum£ril, I. c, 353, upper Mississippi. 



Cylindroslens rafinesqnei, DuMtniL, /. c, 354, United States. 



CiiUiidrostens cdnh'huini, DuMf;nii., I. c, 355, Lake Lafayette, Florida. 



Cylbtdrustetts hartuni, Dum£ril, /. c, 350, New Orleans. 



Subgenus ATRACTOSTEUS, Kafinesque. 



153. LEPISOSTEl'S TRISTOCCHUS, (Bloch & Schneider). 



(Alligator Gar; Great Gau; Manjuari.) 



Snout usually not quite so long as the rest of the head, its least width 

 contained 3A times in its length. Head 3i in length. D. 8; A. 8 ; V. 6. 

 Lat. line 60. Scales in an oblique series from the ventrals to middle of 

 back 18 to 20. Color greenish, paler below, the adult usually not spotted. 

 L. 8 to 10 feet. Rivers of the southern States, Cuba, and northern Mex- 

 ico, north to St. Louis and Cincinnati. A huge, muscular, voracious fish, 

 useless as food, remarkable for its armature of enameled scales, {rpdc, 

 three; orottof, row.) 



Esox trista'clius, Block & Schneider, Syst. Ichth., 395, 1801, Cuba, after Manjuari of Para. 

 LepUosleiis spatida, Lac£plde, llht. Poiss., v, 333, 1803, no locality. 

 Lepisosteus{Atractosleus) ferox, Rafinesqoe, Iclith. Oh., 73,1820, Ohio River. 

 Lepidosteits manjuari, Poey, Meniorias, I, 273, 1800, Cuba. 



Lepidostem {.Uractosteits) herhmdieri, Gikaud, Pac. 11. R. Expl., 353, 1858, Tamaulipas. 

 Lepidosleus virldis, Gunthek, Cat., viii, 329, 1870, not Esox viridis, Gmelin, which is L. osseus. 

 Litholepis trisla'chua, Jordan & Gilbert; Synopsis, 92, 1883. 

 Alractostens hicius, Dum^ril, I. c, 364, 1870, Tampico, Mexico. 



154. LEPISOSTEUS TROPICUS, (Gill). 



Head 4 in extreme length ; depth Si ; scales 8-52 to 54-12. Otherwise 

 as in L. tristoccluis, from which it may not be distinguishable. (Gill.) 

 Streams of the Pacific Coast of Central America, (tropicus, tropical.) 



Atraclosleus tropicus, GiLL, Proc. Ac. Nat. Sci. Phila., 1803, 172, streams near Panama. 

 Alraclusleus tropicus, Dum£ril, I. c, 367, 1870. 



Order L. CYCLOGANOIDEA. 



(The Bowfins.) 



Parietals in contact. Pterotic, basis cranii, and anterior vertebrae sim- 

 ple. Mandible with opercular and coronoid. Maxillary not transversely 

 segmented, bordering the mouth. Third superior pharyngeal lying on 

 enlarged fourth. Upper basihyal wanting. Vertebrie amphicojlian, the 

 anterior not modified. Pectoral fins with mesopterygium and 8 other ele- 

 ments. Air bladder cellular and lung-like. This order includes only the 

 family Amiid.k. {kIkao^, circle; Ganoidea; also called Hai.ecomouphi, 

 halecomorphus, formed like a shad; halec, in allusion to the resemblance 

 between this group of G.vnoids and the Isosponi>yh. It is probable that 

 the ancestors of the Isospondyli are to be found among forms allied to 

 the existing Kalecomokphi.) 



