[9/5.]
Id., 2nd series, chapter 17.
[9/6.]
Id., 7th series, chapter 20.
[9/7.]
Id., 2nd series, chapter 4.
[9/8.]
At novitas mundi nec frigora dura ciebat,
Nec nimios aestus.
Lucretius, "De Natura rerum."
[9/9.]
In this connection see the excellent introduction written by M. Edmond Perrier to serve as preface to the work of M. de Romanes: "l'Intelligence des animaux."
[9/10.]
"Souvenirs entomologiques," 8th series, chapter 20.
[9/11.]
To Henry Devillario, 30th March, 1883.
[9/12.]
To Henry Devillario, 12th May, 1883.