Sentence:  Tyrian garbs, / Neptunian Albion's high <WSD>teſtaceous</WSD> food ["i.e.", oysters], / And flavour'd Chian wines with incenſe fum'd / To ſlake Patrician thirſt: for theſe, their rights / In the vile ſtreets they proſtitute to ſale; / Their ancient rights, their dignities, their laws, / Their native glorious freedom. 
Meaning of the word marked with <WSD> tags:  Having a shell, especially one which is not articulated.