Fig. 
Fig. 
- 
(er) 
80 
EXPLANATION OF PLATES. 
Prats I. 
Oyster parc at Arcachon showing enclosures, 
pignons, and row of collectors. 
A collector (‘‘Gabaret’’) showing arrangement 
of tiles. 
Shows a tile on which oyster spat has just been 
deposited. 
Part of an oyster parc showing rows of 
‘‘ambulances.”’ 
An ‘‘ambulance’”’ opened. 
Corner of a parc showing sluice, construction of 
banks, and a ponton in the distance. 
Puate II. 
Part of a tile showing young oysters ready to be 
removed. 
Primitive oyster parcs on shore at Pointe le 
Chapus. 
Basins of dégorgement at Pointe le Chapus. 
Oyster claires near Marennes. 
Navicula fusiformis, var. ostrearia, and allied 
forms, on which the oyster feeds. 
Shellfish enclosures at Pointe le Chapus, with 
girls collecting “‘ pélerins.” 
Pruate IIT. 
Sketch near Charron, Bay of Aiguillon, showing 
bouchots, acons, &c. 
The shrimp traps (“‘ casiers’’) at Le Croisic. 
Oyster parcs and marais salants between Le 
Croisic and Le Bourg-de-Batz. 
