The Expression of the Emotions in Man and Animals Robert Grant's Lamarckist philosophy) ridiculed Bell's theological explanations, pointing instead to the striking similarities of human and animal biology. The meeting then ended in uproar. Forty-five years later, Darwin revisits these arguments and recruits Duchenne's (1862) unmasking of the facial mechanisms, shifting the argument from philosophical speculation to scientific discourse. Darwin's response to Bell's natural theology is discussed by Lucy Hartley (2001). In the composition of the book, Darwin drew on worldwide responses to his questionnaire (circulated in the early months of 1867) concerning emotional expression in different ethnic groups; on anthropological memories from his time on ; on conversations
Body language of dogs Body language of dogs The body language of dogs is one form of non-verbal communication whereby dogs can express emotions and intentions through bodily movements. It refers to the interpretation of posture and behaviour of species in the genus Canis. This form of visual communication is generally used for identifying emotions and intentions of domestic dogs, though it can also be applied to wild canines such as wolves. Understanding the body language of dogs is particularly important in preventing dog bites, especially of children. This communication can occur between dogs, or during a dog-human interaction. Such movements primarily involve the