One of the best ways to learn to observe correctly and in detail is to take a hasty glance at the display in a store window, pass on and attempt to recall that which you have seen, the number of objects, what they were, etc., and then check your observing faculties by returning to the window and listing its contents. Continued practice of this sort will greatly increase your observing powers. Perhaps the most famous known exponent of this method for training the observing faculties was Houdini, the famous magician, who describes the method in detail and his experiences in applying it in his memoirs.]
The benefits brought to humanity through the study of lower animal life are incalculable, and could not be told in one book. With all that vivisection and post-mortem dissection have revealed to scientific examiners, contagious and infectious diseases have been nearly removed from the human family. We have been taught to live better from observing animal habits in searching for food, in building their habitats, in their mode of living, in their fear of man, and in the methods they adopt to preserve their health. All this knowledge has been gained for us, for the upbuilding of humanity, through the efforts of _close observers_. They have studied the cat by the hearth, the dog by the door, the horses in the pasture and stall, the pigs in their pens, and the sheep in their folds. Closely associated with the investigators of animal life are those who have observed the origin, habits, and influence of birds, insects, and creeping things.
But what we have learned from animals in the past seems only a trifle in comparison with what they will teach when we go to them with more serious purpose and more carefully observe them. The leaders in all these investigations of animal life have all been distinguished for their power to discover in animals what has escaped other people.
Professor Darwin's close observation of the doves he fed at his door opened up to him important suggestions and laid the foundation for his great treatise, "The Origin of Species." When Professor Niles of the Boston School of Technology was a boy he caught a minnow while returning from school. At his father's suggestion he put the fish into a simple aquarium and studied its movements. When it died he carefully examined its parts under a microscope--and this experience was the beginning of his vast knowledge of the animal realm.