240 
BULLETIN OF THE BUREAU OF FISHERIES 
harbor comes from two sources, from the Wepawaug and Indian Rivers which bring 
down fresh water from the surrounding country, and from Long Island Sound, from 
which brackish waters are carried into the harbor by the flood tides. 
The potential value of any body of water for the propagation and growth of 
shellfish depends largely upon the physical conditions which exist there. The con- 
ditions found in Milford Harbor are characteristic of those found in most of the 
other harbors and estuaries which empty into Long Island Sound and which have 
been found to be very favorable localities for the reproduction and growth of the 
oyster, quahaug, and soft clam. A brief r6sum6 is given here of the observations 
which were made in 1925 and 1926 regarding the physical conditions of the water; 
