248 Stover's Synopsis of the Fishes of North America. 



neath white. Snout elongated, rounded at tip, covered with bony shields. Dorsal series of 

 plates, ten to twelve ; lateral series, twenty-eight; abdominal series, eight plates. 



D. 38. P. 28. V. 24. A. 23. C. 125. Length, 3 to 7 feet. 



Massachusetts, Storer. Connecticut, Ayres, Linsley. New York, Mitchill, Dekay. 



Acipenser oxyrinchus, Sharp-nosed Sturgeon, Mitchill, Trans. Lit. and Phil. Soc. of N. Y., I. p. 462. 

 " " Lesueur, Trans. Amer. Phil. Soc. (New Series), I. p. 394. 



" " Sharp-nosed Sturgeon, Stoker's Report, p. 173. 



" " " " Dekay's Report, p. 316, pi. 58, fig. 189. 



" " Avres, Fishes of Brookhaven, L. I., Bost. Journ. Nat. Hist., iv. p. 387. 



" Sharp-nosed Sturgeon, Linsley's Fishes of Conn., Amer. Journ. Sc, XLVll., No. 1. / ^ C. 



2. Acipenser rubicundus, Lesueur. 



Body convex at origin of dorsal plates. Forehead broad and flat between the eyes. Head 

 and body olive-brown above, white beneath. Fins reddish. Younger specimens maculated 

 on the body and sides. Dorsal plates, from nine to fifteen ; lateral plates, thirty-five to 

 thirty-nine ; abdominal plates, nine. 



D. 40 to 42. P. 50. V. 28. A. 22. C. (.'). Length, 4 feet. 



Lakes Ontario, Erie, Huron, Michigan, Lesueur. Lake Erie, Ohio River, Kirtland. 



Acipenser rubicundus, Lesueur, Trans. Amer. Phil. Soc. (New Series), I. p. 388, pi. 12. 



Acipenser maculosus, Lesueur, Trans. Amer. Phil. Soc. (New Series), I. p. 393. 



Acipenser Ohiensis, Raf., Ichth. Ohien., p. 81. ^ 



Acipenser serotinus, Raf., Ichth. Ohien., p. 80. , Ci/whj*"-^*-*-** - ' /' n 1( 



Acipenser macrostomus, Raf., Ichlh. Ohien., p. SI. f«"*"-* ' , , 'V^u \. C 1 ' "" lii-** 1 '' 



Acipenser rubicundus, Ruddy Sturgeon, Rich., Fauna Boreal. Americ, in. p. 284. net its. "■ ' y ' 



" " Kirtland's Report, p. 196. A* L '• •' H '' ' 



Acipenser maculosus, Kirtland's Report, p. 196. , // 



Acipenser Ohiensis, Kirtland's Report, p. 196. 

 Acipenser nudus, Kirtland's Manuscript. 



Acipenser rubicundus, Lake Sturgeon, Dekay's Report, p. 344, pi. 58, fig. 191. 

 Acipenser maculosus, Lake Sturgeon, Dekay's Report, p. 347. 



" " " " Kirtland, Bost. Journ. Nat. Hist., iv. p. 3Q3,^i. 14, fig. 1. 



3. Acipenser brevirostris, Lesueur. 



Head large and convex. Snout short and blunt. Dusky above, with faint traces of oblique 

 bands ; beneath white- Dorsal series of tubercles, nine to twelve ; lateral series, twenty- 

 three to twenty-nine. 



D. (?)■ P. (?)■ V. (?). A. (?). C. (.'). Length, 2 to 5 feet. 

 t , ■ New York, Mitchill, Dekay. 



'. . Acipenser sturio, Round-nosed Sturgeon, Mitchill, Trans. Lit. and Phil. Soc. of N. Y., i. p. 461. 



Acipenser brevirostrum, Lesueur, Trans. Amer. Phil. Soc. (New Series), i. p. 590. /o». / / 3 /3 , f ^ 



Acipenser brevirostris, Short-nosed Sturgeon, Dekay's Report, p. 345. , tliiyi~-£~ C1/**A- • ™* '* t(/i<.t^* ~~~ 



~-< 



4. Acipenser transmontanus, Rich. 

 Top of the head slightly convex, both longitudinally and transversely, with a shallow de- 

 pression extending from between the orbits backwards on the mesial line ; the profile shelves 

 off" suddenly before the nostrils into the greatly depressed snout, which, when seen from 



