July lU to September 30, 19h9, and July 5 to September 7, 19^0. A 

 biologist was alvrays present to obtain records of catch, size and break- 

 age of clams. Table 1 shows the amount of clams removed from each 

 quarter by bullraking during the experliient. 



Table 1 



Pecks of Clams Removed From Each Quarter 19U9 and 19^0 

 by Bullraking and Dredging 



■«• B « Bullrake; D « Dredge 



Dredging Operations 



The boat "Lil-Joy" chartered by the Narragansett Iferine Laboratory 

 dredged Area D in 19U9, using an 3-tooth commercial dredge. In 1950 the 

 Fish and Wildlife Service chartered the boat "I-iarie" with a 12-tooth 

 dredge to fish the experimental area. 



The size and shape of the quarters of the test plot made it impos- 

 sible to dredge in circles as is done commercially. In the experiment 



