156-176), are the authorities for the symptoms detailed above.

Tasso so often alludes to his infirmities that it is not needful to accumulate citations.

I will, however, quote two striking examples.

'Sono infermo come soleva, e stanco della infermita, la quale e _non sol malattia del corpo ma de la mente_' (_Lettere_, vol.
iii.p.

160).