List of Illustrations.

[Eddystone Lighthouse] (Frontispiece).
The Beacon Fire,[1]
A Roman Pharos,[15]
A Medal of Apameia,[16]
Ancient Pharos of Alexandria,[23]
Modern Lighthouse of Alexandria,[27]
Tour d’Ordre of Boulogne,[33]
The Tower at Dover,[39]
The Colossus of Rhodes,[45]
Trinity House,[58]
Lighthouse on a Rocky Headland,[64]
Catoptric Apparatus,[72]
An Argand Fountain Lamp,[74]
Revolving Apparatus on the Catoptric Principle,[75]
Annular-built Lens,[78]
Electric Apparatus for Fixed Light,[82]
Annular Lens of First Order,[85]
Diagram, Illustrating Progress of Luminous Ray in a Catadioptric Ring,[87]
Fresnel’s Revolving Light,[90]
Stevenson’s Holophotal Light,[91]
Stevenson’s Fixed Light varied by Flashes,[92]
Fresnel’s Fixed Light Apparatus,[93]
French Fixed Light Apparatus,[93]
Cupola of First-class Lighthouse,[100]
Sea-Birds attracted by Lighthouse Rays,[105]
Winstanley’s Eddystone Lighthouse,[111]
Smeaton’s Lighthouse at the Eddystone,[127]
The Lightship at the Nore,[131]
The Smalls Lighthouse,[135]
Inchkeith Lighthouse,[146]
Building the Bell Rock Lighthouse,[150]
The Bell Rock Lighthouse,[163]
Skerryvore Lighthouse,[178]
North Unst Lighthouse,[183]
Transporting a Lighthouse,[187]
Needles Lighthouse,[190]
Wolf’s Crag Lighthouse,[195]
Bishop Rock Lighthouse,[197]
Lizard Point Lighthouse,[198]
Plymouth Breakwater Lighthouse,[199]
North Foreland Lighthouse,[201]
South Foreland Lighthouse,[202]
Holyhead Lighthouse,[203]
Kinsale Lighthouse,[204]
Fastnet Rock Lighthouse,[205]
Maplin Sands Lighthouse,[206]
Alguada Reef Lighthouse,[209]
Ancient Tower of Cordouan,[215]
Present Lighthouse of Cordouan,[219]
Interior of Cordouan Lighthouse,[222]
Lighthouse of Cape La Hève,[229]
Erection of Lighthouse at the Héaux,[241]
Lighthouse of the Enfant Perdu,[247]
Lighthouse at New Caledonia,[251]
The Lightship,[257]
Pompey’s Pillar,[267]
A Floating Beacon,[271]
The Arnish Beacon,[274]
Eddystone Lighthouse in a Storm,[283]
Girdleness Lighthouse,[298]
Whalsey Skerries Lighthouse,[300]
Ship Rock of Sanda Lighthouse,[301]