III. THALASSA. THE OUTER GEOGRAPHY OF THE ODYSSEY. Why it deserves investigation 249 Principal heads of the inquiry 251 The two Spheres of Inner and Outer Geography 252 Limits of the Inner Geography 255 The intermediate or doubtful zone 257 The Sphere of the Outer Geography 260 The two Keys of the Outer Geography 261 The traditional interpretations valueless 262 Manifest dislocations of actual nature 263 Postulates for examining the Outer Geography 264 The Winds of Homer 265 Special notices of Eurus and Notus 267 Of Zephyr and Boreas 268 Points of the Compass for the two last 270 For the two first 272 Scheme of the four Winds 273 Signification of Eurus 273 Homeric distances and rates of speed 275 Particulars of evidence on speed 277 The northward sea-route to the Euxine 280 Evidence from Il. xiii. 1-6 281 From Od. vii. 319-26 282 From Od. v. 44-57 283 From Od. xxiv. 11-13 285 Amalgamated reports of the Ocean-mouth 287 Open-sea passage to the Ocean-mouth 289 Homeward passage by the Straits, why preferred 290 Three maritime routes to the Ocean-mouth 291 Its two possible originals in nature 292 Straits of Yenikalè as Ocean-mouth 294 Summary of facts from Phœnician reports 295 Two sets of reports are blended into one 296 The site of Ææa; North-western hypothesis 298 North-eastern hypothesis 300 Argument from the Πλαγκταὶ 302 From the Island Thrinacie 302 Local notes of Ææa 303 Site of Ogygia 304 Argument from the flight of Mercury 305 From the floatage of Ulysses 306