Oratories, Ticinese, [42]

Orchids that imitate flies, [70]

Oropa, [169]

Orta, [167], [177]

Osco, [28]

Oxford and Cambridge, proposal to make Oropas of them, [186]

Paganism of Handel, Milton, and the better part of Catholicism, [191]

Pagliotto at Varese, [256]

Painting, the giants of, uninteresting, [144]

— not more mysterious than conveyancing, [151]