PLATE VI. 



MADRAS FISHERIES, BULLETIN No. 5. 



Fig. iS. — Box-trap used to capture crabs on Arcachon oyster parks 



Fig. 19. — Wire net crab-trap used at Cape Ferret, Arcachon, 



outside of ground spread with young oysters and 



surrounded by "blindage" planking whereon 



m. l. mlchelet is seated. 



[Photo. J. HornclL. 



