William Nowell
The book will be found of great value to the practical agriculturist as well as to the scientific investigator, who looks or should look, farther a field. But it is in the philosophical treatment of the subject as a whole, as well as in the cautious way in which the principles themselves are put forward, that the wider interest of the author’s work as a whole is to be attributed. As is well said in the text, “In every case of parasitism there are two organism ...