evidence of, [360-365].

Limb-light, evidence of atmosphere, [84], [162], [167].

Longitudes, origin of, [23], [74].

Lowell Observatory, Annals, [31], [81];

Bulletin, [201].

Lucus Ismenius, [19], [258];

only double oasis, [259];

association with canals, [260], [261].

Lucus Lunae, [330].

Lucus Moeris, [208].