STUDIES. OP THE OYSTER DRILL 
87 
the Virginia Fisheries Commission (Lee, 1909) wrote: “Borers are to be found only- 
on our seaside, but in less alarming quantities than in other waters of the coast.” 
Recently the important oyster beds of lower Chesapeake Bay have suffered from 
this pest to such an extent as to threaten the whole industry. This area is so large 
that it was impracticable to attempt a complete survey of the region. The survey 
herein reported was restricted to Hampton Roads and its tributaries. Stations as 
shown in Figure 2 were laid out and observations were made on the salinity, pH, 
character of the bottom, depth, temperature, the number of Urosalpinx present and, 
