PLATE 106 
PLATE LXV. 
ACIPENSER STURIO. 
COMMON STURGEON. 
***** PISCES CHONDROPTERYGII. 
GENERIC CHARACTER. 
Head obtuse. Mouth beneath the head, retractile, toothless : cirri 
four, placed under the snout, and before the mouth. Aperture of 
the gills on each side. Body elongated, with numerous plates, dis- 
posed in series along the angles of the body. 
SPECIFIC CHARACTER 
AND 
SYNONYMS. 
Snout obtuse : transverse diameter of the mouth equal to its length : 
beards on the snout nearest the tip : lips bifid. 
Acipensjer Sturio: rostro obtuso, oris diametro transverso longi- 
tudini aequali. Guldenst. nov. comm. Petrop. 
16. p. 532. — Gmel. Linn. Syst. Nat. T. I. 
p. 3. p. 1483. sp. 1. 
Acipenser cirris 4. squamis dorsalibus 1 1 . Linn. Syst. Nat. — Mus. 
Ad. Fr. Me. 
