856 FISHERIES OF THE UNITED STATES. [32] 



Scallop-dredge (sliding variety). 



Triangular-shaped frame, consisting of two iron "bails" forming 

 sides, their junction the apex, and an iron "rim" forming the 

 base of the triangle ; bails, 3 feet long, bent at 3 inches from 

 end at right angles to the plane of the frame and riveted to 

 rim; rim, 30 inches long, 1 inch wide, set at an angle of about 

 30° with plane of frame; bag, 2 feet deep; upper side of 

 twine (2-inch mesh) attached to a small iron cross-bar across 

 bails, 8 inches from ends ; lower side of iron rings, 2 inches in 

 diameter, six tiers, joined to edge of rim; across bottom of bag 

 is lashed a small stick, 27 inches long and § inch in diameter, 

 for convenience in handling bag and shaking out contents. 

 Value, $5. 56,933. U. S. Fish Commission. Used in Narra- 

 gansett Bay, Ehode Island, on grassy bottoms. 



SCALLOP-DREDGE. 



Old-style dredge, formerly used in the scallop-fisheries along the 

 southern coast of New England. Exhibited by John A. Saw- 

 yer, New Bedford, Mass. 



PHOTOGRAPHS ILLUSTRATING THE USE OF DREDGES. 



Oyster-dredging. 



Photograph of a small steamer at work on the oyster banks off the 

 coast of Southern New England. The steamer is towing two 

 dredges, having a line fastened amidships on either side. A 

 portion of the crew are just hauling a third dredge, loaded with 

 oysters, over the gunwale. Size, 30 by 40 inches. New Haven, 

 Conn., 1882. IT. S. Fish Commission. 



TOOTHED DREDGES AND RAKES. 



Oyster-rake or toothed dredge. 



Galvanized-iron frame; 12 teeth; net of iron-mesh; lower braces 

 fitted with iron sliders to protect side of vessel from teeth. U. 

 S. Fish Commission. 57,089. JJsed along Atlantic coast of 

 the United States in natural oyster-beds. 



Clam-rake. 



Iron frame, consisting of head 28 inches wide, and four iron bows 

 connecting teeth, head, and frame ; teeth, 23 in number, 4£ 

 inches long ; frame covered with twine-net ; pole, 13 feet long, 

 fits in socket at top of frame. U. S. Fish Commission. 57,695. 

 Used at Nantucket, Mass., in taking " sea-clams" (Mactra soli- 

 dissima). 



Clam-rake. 



Four-foot handle, fitting in socket in head of rake. Bake of iron. 

 J. T. Brown. 57,091. Style used at Provincetown, Mass. 



