122 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
The smaller specimens are less compressed, more slender, and the color much lighter. 
Longest specimen, 3 inches. i 
20. Notropis rubrifrons (Cope). ' 
Very common in the Osage Fork, scarce in the Lock Fork, not common in the 
Little Piney. Anal rays 10, occasionally 9 or 11. i 
21. Hybopsis kentuckiensis (Raflnesque). 
Abundant in all streams. 
22. Hybopsis dissimilis (Kirtland). ' 
Oasconade and Little Piney, scarce. 
23. Semotilus atroinaculatus (Mitchill). 
Eather scarce in all streams. 
24. Dorosoma cepedianuin (Le Sueur). 
One specimen from Little Piney, near its mouth. 
25. Fundulus catenatus (Storer). 
Scarce in Jones’ Creek and the Gasconade; abundant in the Little Piney. ' 
26. Zygonectes macdonaldi, sp. uov. (Plate XLII, fig. 1). 
Closely allied to Zygonectes sciadicus (Cope), but with larger anal fln, more slender j 
body, and rather stronger teeth. (A. 10 to 11 in Z. sciadicus.) Length of longest ( 
specimen, 2^ inches; head, 3| in the length of the body; depth, to 5; dorsal, 10 or ' 
11; anal, 12 to 14. Origin of dorsal behind origin of the anal. Scales large, 34 .! 
to 36 (the small ones at base of caudal not counted), 12 in a vertical series. Bodj^ | 
rather long and slender, not much compressed; top of head flat; back slightly arched. , 
Teeth rather large in one series, each cur v^ed inwards. Ventrals very small, and sit- | 
uated midway between pectoral and anal fins. Dorsal fins small; anal larger. Caudal | 
fin rather large, rounded. Color greenish in spirits, no distinct markings, darker on • 
upper j)ortion of the body; both jaws more or less-edged with blackish. | 
Four specimens were taken from Jones’ Creek and five from the Osage Fork of j 
the Gasconade. Larger specimens, described further on, were obtained in the Neosho | 
River. I take pleasure in naming this pretty fish for the United States Commissioner i 
of Fisheries, Hon. Marshall McDonald, '! 
27. Labidesthes sicculus Cope. 
Abundant in Big Piney and the Osage Fork of the Gasconade. This species is , 
found in greatest numbers in rather warm sluggish water. ( 
28. Lepomis cyanellus (Eafinesque). 
Not common; Jones’ Creek, Gasconade, Big Piney, and Little Piney. 
29. Lepomis macrochirus Rafiuesque. ! 
Lepomis nepheJus Cope, Jour. Acad. Nat. Sci. Phila., 1868, 222. | 
Lepomis ischyriis Jordan & Gilbert, Syn. Fish N. A., 1883, 475. 
Lepomis macrochirus Jordan & Gilbert, Syn. Fish. N. A., 1883 (probably Lepomis macrochirus of ! 
Rafinesque). i 
Head 2 in the length of the body; in specimens 4 inches in length; 3 in specimens 
2^ inches. Deiith, 2J. Scales, 45 to 51. D. X, 11 or 12. Dorsal spines in one sped- | 
men 9. Body more compressed than in L. cyanellus. Supplemental bone well devel- i 
oped. Mouth nearly as large as in L. cyanellus. Cheeks with 5 rows of scales. Color j; 
as in adult L. pallidus, but darker and much more mottled with distinct bronze spots, j( 
these on dorsal and anal fins. Usually a faint dark spot on last dorsal rays. ! 
