85. PERCID^ — COTTOGASTEE. 
497 
in jaws strong 5 no teeth on vomer or palatines. Gill-membranes broadly 
connected. Scales moderate, rough. Lateral line complete j no enlarged 
ventral plates. Dorsal fins large, the spinous dorsal longer and lower 
than the second, of about 13 spines ; anal smaller than second dorsal 
with 2 strong spines. Yertebrm (D. Uennioides) 19 +22. Coloration 
largely green. (<5£?, two 5 TcUcrtov, near; dorsal fin nearly divided in two.) 
I>. toSeililioid.es (Raf.) Jor. — Green-sided Barter. 
Body stout, elongate, little compressed ; profile very convex. Eyes 
large, high up and close together ; a longitudinal furrow between the 
eyes. Mouth small, horizontal, quite inferior; upper jaw concealed in a 
furrow under the snout. Scales moderate; those on the belly large, not 
caducous; cheeks with fine scales; opercles with large ones ; neck scaly; 
chest naked. Anal papilla very large. Anal spines strong ; caudal fin 
emarginate ; lower rays of the pectorals, and the rays of the ventralsand 
anal enlarged and fieshy in the males. Color olive green, tessellated, 
above; sides with about eight double transverse bars, each pair form- 
ing a Y-shaped figure ; these are sometimes joined above, forming a sort 
of wavy lateral band ; in life these markings are of a clear deep green; 
sides sprinkled with orange dots; head with olive stripes and the usual 
dark bars; first dorsal dark orange brown at base, blue above, becoming 
pale at tip; second dorsal and anal of a rich blue green, with some red- 
dish; caudal greenish, faintly barred; young and female specimens are 
more or less dull, but the pattern is peculiar. Head 4J; depth 4|. D. 
XIII-13; A. II, 8; Lat. 1. 65 to 78. L. 3-5 inches. Pennsylvania to 
Kansas, south to Alabama; one of the handsomest and most abundant of 
the Darters. 
(Btheostoma hlennioides Raf. Journ. de Physique, 1819, 419 : Pileoma cymatogramma 
Abbott, Proc. Acad. Nat. Sci. Pbila. 1860, 327: Hyostoma cymatoyrammum Vaillaut, 
1. c. 102; Jordan, Man. Vert. 222: Hyostoma hlennioperca Cope (Journ. Acad. Nat., Sci. 
Phila. 1868, 214) is a form larger than usual and with rather smaller scales : Hyostoma 
newmani Agassiz (Am. Journ. Sci. Arts, 1854, 305) is slenderer, with rather larger 
scales on the body and on the cheeks. Both gi ade into the common form. ) 
258,~COTTOGAISTER Putnam. 
(Bheocrypta Jordan.) 
(Putnam, Bull. Mus. Comp. Z 06 I. 1863, 5 ; type Boleosoma tessellatum Thompson, not 
of DeKay. ) 
Body rather robust, little compressed. Head moderate, bluntish. 
Mouth small, the lower jaw included; premaxillaries protractile; maxil- 
lary not adherent to the preorbital. Teeth on vomer. Gill-membranes 
nearly separate. Scales ctenoid; those of the middle line of the belly 
Bull. Kat. Mus. Ko. 16 32 
