The Expression of the Emotions in Man and Animals "core" expressions: anger, fear, surprise, disgust, happiness and sadness. Darwin received dozens of photographs of psychiatric patients from James Crichton-Browne, but included in the book only one engraving (photoengraved by James Davis Cooper) based on these illustrations – sent on 6 June 1870 (along with Darwin's copy of Duchenne's "Mécanisme") ("Darwin Correspondence Project": Letter 7220). This was "Figure 19", page 296 – and showed a patient (Crichton-Browne reported) under the care of Dr James Gilchrist at the Southern Counties Asylum (of Scotland), the public wing of the Crichton Royal in Dumfries. The review in the January 1873 "Quarterly Journal of
Animals' Rights: Considered in Relation to Social Progress Salt is undoubtedly ahead of his age by many years." A new edition of the book was published in 1980 with a preface by the Australian philosopher Peter Singer, who is well known for his work on the ethics of treatment towards animals (specifically in the book "Animal Liberation"). The 1980 reissue prompted a review from Stephen Clark who praised Salt's book with some provisos. He states that Salt's attempt to blame the treatment of non-human animals on the theological doctrine of man having "dominion" over the natural world was mistaken. Animals' Rights: Considered in Relation to Social Progress Animals'