Instructions for collecting specimens, [831].

---------------- the microscopical examination of chalk, &c. [371].

Internal structure of sigillaria, [130].

Investigating fossil remains of plants, instructions for, [61].

Ireland, [94], [321], [430].

-------, fossil microphytes from, [94].

-------, peat-bogs of, [70].

Irish deer, fossil gigantic, [783].

Ischyodus, [590].

Isle of France, [763].