——, on crustaceans of New Zealand, [376].
De Candolle on struggle for existence, [62].
—— on umbelliferæ, [146].
—— on general affinities, [430].
——, Alph., on low plants, widely dispersed, [406].
——, ——, on widely-ranging plants being variable, [53].
——, ——, on naturalisation, [115].
——, ——, on winged seeds, [146].
——, ——, on Alpine species suddenly becoming rare, [175].
——, ——, on distribution of plants with large seeds, [360].