[B28]

The facts about crossing races of dogs on their instincts, most important, because they obey the same laws, as the crossing of jackall & Fox & wolf & dog.— the only test this is most important: can there be stronger analogy that the tendency to hybrid greyhound to hunt hares. & leave the sheep & jackall to skulk about & hunt mice— Jenners Jackall Have we somewhat right to deny identity of instincts.—

Habits import to Bowen

No one doubts that a cross of bull dogs— increase the courage & staunchness of greyhounds.— bull-dogs being preferred from not having any smell.—

[B28v]

form or brain very hard to define.— Consider the acquirement of instinct by dogs, would show habit.—

Take the case of Jenner's Hyæna Jackall.— an animal not destined by nature to exist. & carrying like other hybrids with it the provision for death.— can we deny that brain would be intermediate like rest of body? Can we deny relation of mind & brain. Do we deny the mind of a greyhound & spaniel. differs from their brains then can we deny that the grand child dug for mice from some peculiarity of structure of brain?— is this more wonderful than memory. affected by diseases. &c &c, double consciousness? What other explanation— can we suppose some essence.