Handbook of nature-study for teachers and parents, Volume 1 Papyras Classics

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Chapter 132

Lesson LXIII

DOGS

Leading thought—The dog is a domesticated descendant of wolf-like animals and has retained certain of the habits and characteristics of his ancestors.

Method—For the observation lesson it would be well to have at hand, a well-disposed dog which would not object to being handled; a collie or a hound would be preferable. Many of the questions should be given to the pupils to answer from observations at home, and the lesson should be built upon the experience of the pupils with dogs.

Observations—1. Why are the legs of the dog long and strong in proportion to the body compared with those of the cat?

2. Compare the feet of the cat with those of the dog and note which has the heavier pads. Why is this of use to each?

3. Which has the stronger and heavier claws, the dog or the cat? Can the dog retract his claws so that they are not visible, as does the cat? Of what use is this arrangement to the dog? Are the front feet just like the hind feet? How many toe impressions show in the track of the dog?

4. What is the general characteristic of the body of the dog? Is it soft like that of the cat, or lean and muscular? What is the difference between the hair covering of the dog and cat? What is the attitude of the dog when running fast? How many kinds of gaits has he?

5. In general, how do the eyes of the dog differ from those of the cat? Does he rely as much upon his eyes for finding his prey as does the cat? Can a dog see in the dark? What is the color of the dog’s eyes?

6. Study the ear of the dog; is it covered? Is this outer ear movable, is it a flap, or is it cornucopia shaped? How is this flap used when the dog is listening? Roll a sheet of paper into a flaring tube and place the small end upon your own ear, and note if it helps you to hear better the sounds in the direction toward which the tube opens? Note how the hound lifts his long earlaps, so as to make a tube for conveying sounds to his inner ear. Do you think that dogs can hear well?

7. What is the position of the nose in the dog’s face? Of what use is this? Describe the nostrils; are they placed on the foremost point of the face? What is the condition of the skin that surrounds them? How does this condition of the nose aid the dog? What other animals have it? Does the dog recognize his friends or become acquainted with strangers by means of his sight or of his powers of smelling?

8. How long after a fox or rabbit has passed can a hound follow the track? Does he follow it by sight or by smell? What are the conditions most favorable for retaining the scent? The most unfavorable? How long will a hound follow a fox trail without stopping for rest or food? Do you think the dog is your superior in ability to smell?

9. How does a dog seize and kill his prey? How does he use his feet and claws when fighting? What are his especially strong weapons? Describe a dog’s teeth and explain the reason for the bare spaces on the jaw next to the tushes. Does the dog use his tushes when chewing? What teeth does he use when gnawing a bone? Make a diagram of the arrangement of the dog’s teeth.

10. How by action, voice, and especially by the movement of the tail does the dog express the following emotions: Delight, friendliness, affection, attention, anger, fear, shame, excitement? How does he act when chasing his prey? Why do wolves and dogs bark when following the trail? Do you think of a reason why dogs often howl at night or when listening to music? What should we feed to our pet dogs? What should we do to make them comfortable in other ways?

11. Tell or write a story of some dog of which you know by experience or hearsay. Of what use was the dog to the pioneer? How are dogs used in the Arctic regions? In Holland?

12. How many breeds of dogs do you know? Describe characters of such as follows: The length of the legs as compared with the body; the general shape of the body, head, ears, nose; color and character of hair on head, body and tail.

13. Find if you can the reasons which have led to the developing of the following breeds: Newfoundland, St. Bernard, mastiffs, hounds, collies, spaniels, setters, pointers, bulldogs, terriers, and pugs.

Supplementary reading—“Stories of Brave Dogs” from St. Nicholas, the Century Co.; the following three stories from Thompson-Seton: “Chink” in Lives of the Hunted, “Snap” in Animal Heroes, “Wully” in Wild Animals I Have Known; Bob, Son of Battle; Mack, His Book, by Florence Leigh; Rab and his Friends; The Dog of Flanders; “Red Dog” in Kipling’s Jungle Stories; Animals of the World, Knight and Jenks, p. 80; Life of Animals, Ingersoll, p. 187.