18;] 



LX._-ACIPEXSERID.^. 



ACIPENSEK, Arl.Mli. 

 A. oXYRiivxciir.^. 



The Sharp-Nosed StiirgeoiL 



]5o(iy eloiiLcated, jioiila^-diial. Entire surluoo gi'anulai.ed, 

 excfptiii!;' that ()C(,u]iietl hy tivc liti!L;itii(!iiia] rows offlattened 

 plalf^s, o( tlic saine structure as t!i« covcriujj; ol'tlic licail, but 

 of a lighten color. Tiio larp,'e8t plates form the dorsal ridge; 

 ill } onngei' specimens these plates are eom[)resaed on tlie 

 sides, and terminate al'iove in strong. s]iar[). recurved spines. 

 The head liattene<l ahove, sligiitly depressed hetween tlie 

 t^yi'^', and terminates at th(^ <H-ei])iit in a I'oniided plate. 

 ])ointed in the immature hsh. Snout hiunt: eyes smtill; 

 lips tieshy, bilohed: nioutli on nnderside of head: ])etw(^eii 

 snout and moiitli are four harliels. ( {I'cyish-ljrown. above, 

 silvery upon the inferior l»ody of sides. V])]»er loboof eamlal 

 twice as long as the lowei'. 



Fin-rays:— 1). ;;S: i*. 2S: V. 24: A. ^o: C. J2o. 



^li-'tjH-n.scr ().r//i-/i;/itr/nis. ]\Iitcli. Trans. Lit. e^j Phil. Soc. 

 Xew \'ork, 1, ]). 4()2: Lesueui', Trans. Am. Phil. Soc. New 

 Ser. I, p. ;;!I4: DoKay, Ncav York Eauna, Ei.slies, p. ;]4G,pl. 

 58, iig. IS'.): Ayres, lioston Jonrn. Xat. Hist. IV, p. 287; 

 Storer, Mem Am. Acad. !P ]). 4'X'.), and YIII, ]). 4;]1, ])1. 

 :55, fig. 4. 



( 'omnnju in the SustjUidianna iind Poiomac Pivers. 



Sometimes, hut ii(4 eonimonly, hrou^hl 1o the P>al(imore 

 markets. 



Ac.AU. ( 'oj.r. S. I , 



