56 TELEOSTEI: EVENTOGNA'YTHI, — XII. 
Whether a variety or a distinct species is not certainly known.) 
(erepos, different ; ddovs, tooth.) 
dd. Lateral line complete. (Miniellus Jordan.) 
j. Lips thin, not fleshy; scales before D. large, in 13 to 17 rows. 
g. Body rather elongate, the depth less than j the length. 
100. N. procne (Cope). Slender, with the tail long; snout 
blunt; mouth inferior, small; 13 scales before D.; eye large. Oli- 
vaceous, a dark lateral band. Head 42; depth 51. Scales 5-32-3. 
A.7. L. 24. W.N.Y.to Md. (mpdkvn, a kind of swallow.) 
101. N. fretensis (Cope). Slender, compressed; mouth oblique; 
eye 31 in head; 17 scales before D.; lateral line decurved. Olive, 
a plumbeous lateral shade and dark spot at base C. Head 4; 
depth 5. <A. 8. Seales 6-35-3. L. 23. Great Lake region (un- 
known to me.) (Lat., inhabiting straits, i. e. Detroit R.) 
102. N. spectrunculus (Cope). Body elongate, head large and 
broad; eye 3 in head; snout thick; mouth terminal, oblique; pre- 
maxillaries in front on level of middle of pupil; 15 scales before D. 
Olivaceous, dark above, a plumbeous lateral band and distinct 
black caudal spot; @ with fins orange. Head 4; depth 5}. A. 9. 
Lat. 1.37. L.3. Tenn. R. (Lat., a little image.) 
103. N. deliciosus (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 D. Pale 
olivaceous, sides usually pale; sometimes with a dusky stripe, but 
no dark C. spot. Head 4; depth 5. L. 23. Great Lakes to Va. 
and Texas; an insignificant little fish. Variable, running into 
several varieties. Var. deliciosus, Mo. and S. W., lat. 1. 82 to 35; 
var. stramineus Cope, Miss. Valley, lat. 1. 34 to 38 (5-36-4) ; var. 
longiceps Cope, Va., lat. 1. 833 to 36; a distinct lateral stripe, snout 
longer and fins higher; var. volucella Cope, Mich., snout longer; 
fins longer; P. reaching Y. 
gg. Body rather stout, the depth more than } the length. 
104. N. topeka Gilbert. Body compressed, stout; snout blunt; 
mouth small, terminal, oblique; eye 44 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 33. <A. 7. Scales 5-35-4. L. 23. 
W. Iowa to Kans. 
Jf. Lips thick, fleshy. 
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 33. A. 8. Lat. 1. 35. L. 24, 
I See Gilbert, Proc. U. 8. Nat. Mus., 1884, p. 207. 
