FIG. 36. A powerful ice-breaking steamer owned at New 

 Haven, Conn. This vessel is capable of dredging 1,200 

 bushels of oysters an hour in water forty feet deep. From 

 a Report of the Conn. Shell-fish Commission. 



FIG. 37. The largest of the northern oyster fleet. This ves- 

 sel, drawing six huge dredges, has a capacity of 8,500 

 bushels of ovsters a dav in fortv feet of water. 



