Manner of treating the subject--Division into Five Sections--SECTION I. _Classification and Geographical Distribution of Ancient Scottish Lake-dwellings_,--Table showing their distribution in Scotland--No permanent value attached to Table--Indication as to their prevalence in South-west of Scotland. SECTION II. _Historical and Traditional Phenomena associated with the area of their distribution._ SECTION III. _Structure of Wooden Islands_--Neglected by previous writers--Mechanical skill displayed by the Crannog-builders--Mode of Structure. SECTION IV. _Topographical changes in the Lake-dwelling area during or subsequent to the period of their development_,--Supposed change in climate and its effects--Increase of Lake Silt--Subsidence of the Crannogs. SECTION V. _Chronological, Social, and other indications derived from the Relics_,--Discoveries of Relics confined almost to the Counties of Ayr and Wigtown--Roman and Celtic elements exhibited by Relics--General _facies_ of Relics similar to ordinary Celtic remains in Scotland and Ireland--Canoes not necessarily belonging to Prehistoric remains--Difficulty of drawing reliable conclusion from the Pottery of the Crannogs--Crannogs in South-west of Scotland were used as _safes_--Their occupiers lived on the produce of agriculture rather than that of the chase--Came to an end as a system of defence upon the conquest of the country by the Saxons--Relics from the Lake-dwellings similar to those from the Victoria Cave, Yorkshire, and the Borness Cave, Kirkcudbrightshire--No evidence as to the age of Crannogs beyond the limits of the ancient Kingdom of Strathclyde Pages 240-288 CHAPTER VI. REMAINS OF LAKE-DWELLINGS IN ENGLAND. Sir Charles J. F. Bunbury on remains at Wretham Mere, Norfolk--Pile Structures at London Wall--Crannog in Llangorse Lake, South Wales--Professor Boyd Dawkins on Pile Structures in the Bronze Age--Professor T. Rupert Jones on English Lake-Dwellings--Pile Structures at Holderness, York--Concluding Remarks--Hypothesis as to primary source of the ideas that led to the development of British Lake-Dwellings Pages 289-303 APPENDIX. _Additional Discoveries on the Crannog in Lochspouts_,--Lake basin of Lochspouts converted into a reservoir--In consequence of which further excavations made on the site of the Lake-dwelling--Upper Log-Pavement found to be a secondary one superimposed on the débris of a former habitation--Description of Relics found Pages 305-313 LIST OF ILLUSTRATIONS. FIG. PAGE 1. Canoe found in Loch Canmor (_Proc. Soc. Antiq. Scot._ vol. vi. p. 258) 23 2. Bronze Vessel found in Loch Canmor (_Ibid._ Pl. xiii.) 24