[Note 4]. Table illustrating the degree of buoyancy of the seeds and fruits of inland Fijian plants.
[Note 5]. The inland Fijian plants possessing buoyant seeds or fruits.
[Note 6]. Table showing the degree of buoyancy of the seeds and fruits of some inland Hawaiian plants.
[Note 7]. Some inland Hawaiian plants possessing buoyant seeds or fruits.
[Note 8]. The pyrenes of Morinda.
[Note 9]. The buoyancy of the fruits of Calophyllum.
[Note 10]. The buoyancy experiments on British plants.
[Note 11]. The effect of sea-water immersion on the germinating capacity of seeds and seed-vessels.
[Note 12]. The buoyancy of the fruits of Galium aparine.
[Note 13]. The buoyancy of the seeds of Convolvulus sepium.