A description of the River Thames, [electronic resource] : &c. with the City of London's jurisdiction and conservacy thereof proved, Both in Point of Right and Usage, by Prescription, Charters, Acts of Parliament, Decrees, upon Hearing before the King, Letters Patents, &c. &c. To which is added, a brief description of those fish, with their Seasons, Spawning-Times, &c. that are caught in the Thames, or sold in London. with Some few Observations on the Nature, Element, Cloathing, Numbers, Passage, Wars, and Sensation, &c, peculiar to Fish in general. and, also, Of the Water-Carriage on the River Thames, to the several Parts of the Kingdom; with a List of the Keys, Wharfs, and Docks, adjoining to the same. To which are added, rules, orders, and ordinances, made in Pursuance of an Act of Parliament passed in the 30th of Geo. II. For the more effectual Preservation and Improvement of the Spawn and Fry of Fish, and for the better Regulating the Fishery thereof.