Footnotes:

[1] If any difficulty is found in procuring plant-specimens, they may be obtained by post from the British Botanical Association, Ltd., Holgate, York. The names of dealers prepared to supply various animal-specimens are mentioned in the text.

[2] Made by dissolving one or two crystals of potassium iodide in about half a pint of water, and then adding iodine in small quantities until the solution is the colour of sherry.

[3] Lord Avebury, The Pleasures of Life (Macmillan).

[4] Prof. Comstock.

[5] Cheap glass tubing can easily be made soft enough to bend by heating it in an ordinary batswing gas burner.

[6] Greek, stoma, a mouth.

[7] In a large terminal bud the cone often ends in a tiny pink spray, which gives rise to a branch of beautiful flowers when the bud unfolds. In this case no further growth of the main axis of the twig takes place.

[8] Jefferies, The Amateur Poacher (Smith, Elder & Co.).

[9] See footnote, p. [231.]