Darwin from Descent of Man to Emotions under Domestication" which went on sale on 30 January 1868. He now published his ideas on human evolution and on how beautiful but apparently impractical features could have evolved in "The Descent of Man, and Selection in Relation to Sex". After revising "The Origin of Species" as the definitive 6th edition, his major works on species culminated in "The Expression of the Emotions in Man and Animals". This period was followed by extensive work on insectivorous plants and research into worms. Despite Darwin's concerns that his children were weakened as his wife Emma Darwin was his cousin or had inherited
Extinct animals from the Isle of Man and immobilise, any sheep which was pointed out" (W. Walter Gill). The following extract is believed to have been written by a Ms. A. L. J. Gosset; It continues ... It continues ... Manx horses also became extinct c. 1820–1830. Of them Thomas Quayle said, The Manx pig were known to the locals as 'purrs'. They had completely died long before Thomas Quayle wrote this about them; Four species of birds that once bred on the Isle of Man have gone extinct locally, of these the great auk is extinct worldwide. N.B. None of these animals were solely native to