128 



BULLETIN OP THE BUREAU OF FISHERIES 



This fish is suited to a variety of habitats, thriving equally as well in muddy water as it does in 

 clear water, being found in large numbers in a borrow pit at Money, where vegetation was almost 

 absent and the water was excessively muddy. 



Spawning takes place in May at Havana, 111. (Forbes and Richardson, 1908, p. 241), and it is 

 probable that the season is about the same at Greenwood. 



The 60 specimens preserved range in length from 58 to 290 millimeters (2^ to 11% inches) 

 and are from the following localities: Borrow pit, Itta Bena Road; borrow pit at Money; slough at 

 Browning; Hadley or Allen Lake; and Roebuck Lake. 



31. Pomoxis barberi n. sp. 



Big-eyed crappie 



The collection contains nine specimens of this crappie, ranging in length from 136 to 152 milli- 

 meters (5}4 to 6 inches), which we describe as a new species. 



Diagnosis. — Body moderately slender for a Pomoxis, 

 its depth 2.55 to 2.85 in standard length (2.25 to 2.6 in 

 sparoides and 2.4 to 2.7 in annularis) ; dorsal profile scarcely 

 concave over eyes, even less so than in sparoides; eye very 

 large, its diameter much greater than distance from tip of 

 lower jaw to eye (this distance about equal to diameter of 

 eye in annularis and sparoides), 2.6 to 2.9 in head (comparing 

 specimens of equal size, the eye is contained in head 3.15 

 to 3.55 in annularis and 3.1 to 3.4 in sparoides); mouth 

 rather strongly ob- 

 lique, a straight line 

 from posterior mar- 

 gin of maxillary and 

 perpendicular to 

 the anterior margin 

 of premaxillary, 

 passing somewhat 

 posterior to origin 

 of dorsal; gill rakers 

 long and slender, 



about equal to length of snout, 15.5 in standard length, 

 as compared with about 18 in related species; dorsal spines 

 usually 7, occasionally 8 or 9; color rather plain, no indica- 

 tions of crossbars, anal fin sometimes more or less dusky, 

 not spotted. 



Description of type. — Body moderately slender, com- 

 pressed, outline over eyes scarcely concave; head 2.85 in 

 standard length; depth 2.7; snout short, pointed, 4.75 in 



head; eye very large, 2.7; interorbital 5.45; caudal peduncle rather long and slender, its depth 2.55 

 in head; mouth quite oblique; lower jaw projecting, extending into the dorsal profile; maxillary 

 reaching opposite middle of eye, 2.15 in head; a line from posterior margin of maxillary and per- 

 pendicular to the anterior margin of the premaxillary passing through base of third dorsal spine; 

 teeth in jaws pointed, in bands; gill rakers long, slender, 21 on lower limb of first arch, the longest 

 ones as long as snout, 5.4 in head or 15.5 in length; scale formula 5-38-13; dorsal fin high, with 

 VIII,15 (more usually VII,15 or 16 in paratypes), the spine slender, increasing in length pos- 

 teriorly, the longest one 1.4 in head; the origin of fin about the length of the snout nearer tip of 

 lower jaw than base of caudal; caudal fin only slightly forked; anal base nearly as long as that of 

 dorsal, the fin with VI,18 rays, the spines graduated as in the dorsal, the last spine 1.57 in head, 

 origin of fin under base of fifth dorsal spine and about equidistant from tip of lower jaw and base 

 of caudal; ventral fins inserted under base of pectorals, the longest rays reaching opposite base of 

 last anal spine; pectoral fins moderately long, 1.35 in head. 



Fig. 6. — Outline of head of Pomoxis sparoides. 

 From a specimen 140 millimeters long 



Fio. 



7.— Outline of head of Pomoxis barberi. 

 From a paratype 143 millimeters long 



