The Present Depletion of the Oyster-bed of Sind: Its Causes and the Remedies

abundance Anomia Arcachon Baluchistan bank beds of oysters boat boat-load Bombay bottom brood oysters camels Cape Monze closure coast collecting oysters condition creek beds cultch Customs dead oyster shells dead shells depletion deposited dozen Dubba creek Dumbri edible oysters enquiry exhaustion fishermen fishery fishing Gizri gravel growth Hab river Hajamro Head Preventive Officer HORNELL imports into Karachi inches Indus creeks inspection Judd Karachi backwater Karachi Harbour Kediwari Khai Khudi creek Kori creek Kuranji and Kadero Kuranji creek Kutch Laiari River living oysters low tide low-tide Madras main channel Mall Creek Mangalore mangrove scrub Manora mature oysters Mauripur measures mouth mud flats muddy Nawa Nar beds October overfishing oyster beds oyster culture oyster farmer oyster industry oyster patches oystermen oysters seen Pitiani prawns present Pulicat Lake quantities regulations sand seaward Shams Pir Shopland side-creek silting Sonmiani spawning species spring tides surface tiles