38 



REPORT ON OYSTER CULTURE 



tors. The collectors may be large flat stones if nothing better 

 can be had ; but tiles, as employed on the French plan, are easier 

 to attend to, and easier to cleanse. These pares may be simply 

 enclosed spaces, with surrounding walls of stones so as to define 

 each particular allotment ; or in the case of a space of ground 

 surrounded by the sea, belonging to an individual, or to two or 

 three working in partnership, the method of placing the tiles 

 either in rows or patches, as may be most convenient for the 

 arresting of the spat, and as shown in figs. 20, 21, 22, and 23, 

 may be adopted. At Arcachon the pares are made upon this plan, 



Fig, 20. 



Fig. 21. 



Fig. 22. 



