274 
Aerial transects were conducted in those strata having measurable 
populations, i.e., Atlantic Slope, unditched tidal marsh, and ditched tidal marsh, 
Since this method of obtaining indices for use in estimating brood production is 
entirely satisfactory, it will again be conducted in 1953. Based on results obtained 
in 1952, brood production on the above stratum was slightly less than in 1951].. 
