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BULLETIN OE THE UNITED STATES FISH COMMISSION. 
EXPLANATION OF PLATE XLVII. 
Fig. 27. View of under side of a young specimen of the common sturgeon, 20 inches long. Note the 
narrow mouth, the recurved spines of the abdominal and lateral scutes, the backward exten- 
sion of the duodena] intestinal loop, the mushroom-like pancreas, and the very distinct 
areolation on the under side of the snout in front of the mouth. From a photograph. 
Fig. 28. View of the under side of a y oung specimen of the blunt-nosed sturgeon of the Delaware, A. 
brevirostris Leg. Note the very wide mouth, blunt snout, smooth ventral and lateral scutes, 
as compared with the foregoing. From a photograph. 
