"curlew" was listed in the custom house register in providence at 343 tons burden. the register dimensions shown in the box also result in that number when entered in the contemporary tonnage equation. the new york marine register and the succeeding american lloyds register both show 380 tons. the navy appears to quote 380 tons from those registers. in february 1862 the registration was changed to new york and the tonnage remeasured at 557.