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mouth large with strong teeth in both jaws, and 

 without lips. Gill cover double, preopercule divided 

 downwards into three curved and carinated sutures, 

 without serrature : opercule with an acute and mem- 

 branaceous appendage, before which stands a flat 

 spine. One dorsal fin, spiny anteriorly, depressed in 

 the middle. Anal fin with spiny rays, thoracic with 

 none, and only five soft rays. Vent nearly medial. 



The generic name means fine tail. It differs prin- 

 cipally from the genus Holocentrus, by the head, 

 scaly gill cover and singular propercule: Genus 12 of 

 my 70 New Genera of American Animals. 



5th Species. Dotted Painted tail. Calliurus 

 Punctiilatuse. Calliure pointille. 



Lower jaw longer : body olivaceous crowded with 

 blackish dotts: head brownish, flattened above: lat- 

 eral line hardly curved upwards at the base : tail 

 unequally bilobed, lower lobe larger, base yellow, 

 middle blackish, tip white: dorsal fin yellow with 24 

 rays, of which 10 are spiny. 



[I- 375] [^7] All uncommon fish from four to twelve 

 inches long. I observed it at the falls; rare in the 

 Ohio, more common in some small streams. Vulgar 

 names. Painted-tail or Bride-perch. Tail with two 

 lobes, slightly unequal, base flexuose. Belly and 

 lower fins pale, anal fin with 13 rays, the three ante- 

 rior spiny and shorter, behind rounded and far from 

 the tail, although nearer than the dorsal fin. Tho- 

 racic fin with five rays, none of which appear spiny, 

 and no appendage. Pectoral fins short, trapezoidal, 

 with 15 rays. Branchial rays concealed. 



IV. Genus. Sunfish. Icthelis. Icthele. 



Body elliptical or oval very compressed, scaly. 

 Mouth small, with small teeth and thin lips. Gill 



