aspects of the sun and moon, and their several significations, have
formed a favourite subject of description and discussion. Thus of
the sun Virgil says--

"Sol quoque, et exoriens et quum se condet in undas,
Signa dabit; solem certissima signa sequuntir.
Et quae mane refert, et quae surgentibus astris."

And then he gives the following _prognostics_, as unerring guides to
the Latian farmer:--

"Ille ubi nascentem maculis variaverit ortum,
Conditus in nubem, medioque refugerit orbe;
Suspecti tibi sint imbres....
Caeruleus pluviam denuntiat, igneus Euros.
At si quum referetque diem condit que relatum
Lucidus orbis erit: frustra terrebere nimbis
Et claro silvas cernes aquilone moveri."

Mr. Stephens recognises similar solar indications in the following
rhymes:--

"If the sun in red should set,
The next day surely will be wet;
If the sun should set in grey,
The next will be a rainy day."

And again--

"An evening red, or a morning grey,