56 TELBOSTEI: EVEXTOGNATHI. — XII, 



"Whether a variety or a distinct species is not certainly known.^) 

 {(Tfpos, different ; 68ovt, tooth.) 



dd. Lateral line complete. (Miniellus Jordnn.) 

 y. Lips thin, not llesliy; scales before 1). large, in 13 to 17 rows. 

 g. Body rather elongate, the depth less than ^ the ii-ngih. 



100. N. procne (Cope). Slender, with the tail \on<x; snout 

 blunt; mouth inferior, small; i:) scales before 1).; eye l;ir;^e. (di- 

 vaceous, a dark lateral hand. Head 4 J ; depth 5|. Scales 0-3 2--J. 

 A. 7. L. i^. W. X. Y. to Md. (npoKvq, a kind of swallow.) 



101. N. fretensis (Coj)e). Slender, compressed ; mouth oblique; 

 eye 3^ in head ; 1 7 scales before D. ; lateral line decurved. Olive, 

 a plumbeous lateral shade and dark spot at base C. Head 4 ; 

 depth 5. A. 8. Scales 6-35-3. L. 2^. Great Lake region (un- 

 known to mc.) (Lat , inhabiting straits, i. e. Detroit 11.) 



102. N. spectrunculus (Cope). Body elongate, head large and 

 broad; eye '.I in head; snout thick; mouth terminal, obliipie; pre- 

 niaxillaries in front on level of middle of i)U[>il ; li) scales before U. 

 Olivaceous, dark above, a j)lumbeous lateral band and distinct 

 black caudal s]iot ; ^ with fins orange. Head 4 ; depth 0^. A. 9. 

 Lat. 1. 37. L. 3. Tenn. R. (Lat., a little image.) 



103. N. delicioBus (Girard). Body stoutish, little compressed; 

 head rather broad, the mouth small, inferior, horizontal ; snout 

 obtuse; eye large, 3 in head; 12 to 15 scales before U. Pale 

 olivaceous, sides usually pale ; sometimes with a dusky strii)e, but 

 no dark C. spot. Head 4; dej)th 5. L. 2^. Great Lakes to Va. 

 and Texas; an insignificant little fish. Variable, running into 

 several varieties. Var. deliciosus, Mo. and S. W., lat. 1. 32 to 35; 

 var. strainineus Cope, Miss. Valley, lat. 1. 34 to 38 (5-3()-4) ; var. 

 longiceps Cope, Va., lat. 1. 33 to 3G ; a ilistinct lateral stripe, snout 

 longer and fins liigher; var. voluctlla Cope, Mich., snout longer; 

 fins longer ; P. reaching V. 



r/fj. Body rather stout, the depth more than } the length. 



104. N. topeka Gilbert. Body compressed, stout; snout blunt; 

 mouth small, terminal, obli(jue ; eye 4^ in head; 14 .scales before 

 D; lateral line anteriorly decurved. Olivaceous, a dusky lateral 

 streak, ending in a small caudal spot; males with sides and fins 

 bright red. Head 4; depth 3|. A. 7. Scales 5-35-4. L. 2j. 

 W. Iowa to Kans. 



ff. Lips thick, il.'shy. 



105. N. phenacobius Forbes. Mouth small, inferior; body 

 short and deep; snout long; eye very large, 3^ in head; breast 

 naked; fins low. Head 4; depth 3J. A. 8. Lat. 1. 35. L. 2^. 



> Sm aill>ert, Proc. U. 8. N»t. Miu., 1SS4, p. 207. 



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