"As dogs, cats, horses, and probably all the higher animals, even birds, as is stated on good authority, have vivid dr…"

"It has often and confidently been asserted, that man's origin can never be known: but ignorance more frequently beget…"

"Man differs from woman in size, bodily strength, hairyness, &c., as well as in mind, in the same manner as do the two…"

"Man bears in his bodily structure clear traces of his descent from some lower form; but it may be urged that, as man …"

"My object in this chapter is solely to shew that there is no fundamental difference between man and the higher mammal…"

"The lower animals, like man, manifestly feel pleasure and pain, happiness and misery. Happiness is never better exhib…"

"The love of a dog for his master is notorious; in the agony of death he has been known to caress his master, and ever…"

"Most of the more complex emotions are common to the higher animals and ourselves. Every one has seen how jealous a do…"

"As Horne Tooke, one of the founders of the noble science of philology, observes, language is an art, like brewing or …"

"All animals feel Wonder, and many exhibit Curiosity. They sometimes suffer from this latter quality, as when the hunt…"