1278 OYSTERS, AND ALL ABOUT THEM. 



Basin of, area of the, 573; description of, 571; oyster culture non- 

 existent in, in 1863, 586; M. Chabot Karlen's Report upon, 586; 

 natural beds of the, in a neglected state, 586; M. Coste's model 

 pares in the, 686 ; the oyster industry not altogether created at, 

 571 ; the existence of natural oyster banks in the, 572; extraordi- 

 nary fertility at, 572 ; authorised yearly fishing to carry off excess 

 of production at, 572; oysters thus produced called " native " or 

 gravette, 572 ; ostricultural advantage of, 572; establishment of 

 the Ostricultural Union, 573; He des Oiseauz, the largest crassat 

 in the, 575 ; favourable for oyster cultivation, 575 ; claires posses- 

 sed there by the Ostricultural Society, 575 ; character and 

 consolidation of the soil 575, 576 ; success of the new pare of 

 Lahillon, 587 ; area of reserve beds in, 587 ; interest taken by the 

 Marine Administration in this reserve, 587 ; number and value of 

 oysters taken thence in 1879, 587 ; the claires of Lahillon described, 

 574, 575 ; the pares of Lahillon and Crastorbe, 574 ; the oysters of 

 Crastorbe, 576 ; concessions to the Central Society for aiding 

 Shipwrecked Persons, 573; number of young oysters contained in 

 the pares of the Society, 576; number of tiles put down by them 

 in 1876, 5/6; number of persons employed in this work, 576, 577 ; 

 M. Venot and the Works of, 573 ; his experiments on American 

 oysters, 577; rearing of the latter abandoned at the, 577; the 

 pares of Les Jacquets, 573; description of Le Ces, 573; method 

 fishing this oyster ground, 573 ; number of oysters collected in a 

 day, 574; oysters sorted by machinery, 577; experiments on 

 oysters, 577-580; M. Grenier's station at, 580; number of pares 

 in, 581 ; number of owners thereof, 581 ; area of the pares, 581 ; 

 exportation of oysters from, 581; value of oysters sold in 1875-76, 

 581; the collectors used at, 588; ten millions of tiles laid down 

 every year in the, 588 ; the most favourable moment for the 

 operation, 588 ; the use of daises or boxes for oyster spat, general 

 at, 588 ; importance of oyster culture in the, 588 ; Resume of 

 operations in the, 5?9; Hybridation between the Portuguese and 

 Arcachon oysters impossible, 590-594 ; demanded prohibition of 

 the introduction of Portuguese oysters into French waters, 592, 

 593 ; enormous quantities of Portuguese oysters introduced into, 

 593 ; trifling reproduction of, 593 ; cause of the failure, 593. 

 Archestratus of Syracuse, cited 33. 



