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chus, Mitchill. 10. A. rubicundus, Lesueur. n. A. 

 muricatus, Raf. [III. 247] (var. prec. Lesueur.) 12. 

 A. marginatus, Raf. 13. A. brevirostrum, Les. (His 

 three varieties are probably distinct species.) 14. A. 

 hudsonius, Raf. ; besides the six following ones. 



1st Subgenus. Sturio. 



Five rows of scales on the body, one dorsal, two 

 lateral, and two abdominal. 



96th Species. Spotted Sturgeon. Accipenser 

 maculosus. Eturgeon tachete. 



A. maculosus. Lesueur in Transactions of the 

 American Philosophical Society; New Series vol 1, 

 page 393- 



Head one fourth of total length channelled between 

 the eyes, which are oblong, snout elongated obtuse. 

 Body pentagonal olive, with black spots and small 

 asperities: 13 dorsal scales, lateral rows with 35 

 scales, abdominal rows with 10. 



It is found in the Ohio as far as Pittsburgh. Size 

 small, not exceeding two feet. Mouth and pectoral 

 fins large. Scales \8d\ rugose, radiated, keeled and 

 spinescent behind. Iris yellow oblong. See Le- 

 sueur "s description. 



97th Species. Shovelfish Sturgeon. Accipenser 

 platorynchus. Eturgeon pelle. 



Head one fifth of total length, flattened, snout flat 

 oval, hardly obtuse, rough above, eyes round. Body 

 pentagonal smooth, pale fulvous above, white be- 

 neath. Tail elongated mucronate: 16 dorsal scales, 

 lateral rows with 40, abdominal rows with 12. 



A singular species, very common in the Ohio, Wa- 

 bash, and Cumberland in the spring and summer, 

 but seldom reaching as high as Pittsburgh. It ap- 

 pears in shoals in March, and disappears in August. 



