392 BULLETIN OF THE BUREAU OF FISHERIES. 
CHART OF 
VINEYARD SOUND 
AND 
BUZZARDS BAY 
SHOWING 
DISTRIBUTION OF SPECIES 
CHART 174.—Turbonilla sp. (See explanation of chart 26.) 
Owing to a confusion in the earlier records, the distribution of all members of this genus has been 
plotted upon a single chart. 
