[34]

(6

Ch II

poisonous fruits of the Tropics, & man has no such knowledge; but as our domestic animals when taken to foreign lands & when first turned out in the spring sometimes eat poisonous herbs, which they afterwards avoid, we cannot feel sure that the apes do not learn from their own experience & from or that of their parents what fruits to choose select. It appears, however, that apes have an instinctive dread of serpents & some other dangerous animals; & there is nothing improbable in this, for the lower we go in the animal scale the more numerous & the more complex the unlearnt & unlearnt & untaught instincts become. Although we know nothing of the mechanism of the brain, it appears almost inevitable that as (a) as various powers are added & as in the higher animals when made during the development of [2 words illeg] mental powers are added or augmented & when all the many parts are connected together by the most intricate channels of communication, any one each separate part would become less likely well fitted to than in a simpler structure answer in a uniform or instinctive maner manner to particular sensations & or associations.