effect of, on isothermal lines, [92].

Jamuna, original line of, [216], [217].

Jaxartes, polar canal, [328].

Jupiter, [33], [372].

Jurassic era of the earth, [136], [143], [144].

Juturna Fons, a square oasis, [263].

Kaiser, [21], [23], [249].

Kinetic theory of gases, [83], [146], [147], [164].

Kison, convergent double, [240].

Lacus Hyperboreus, [246].