2. Draw the bones of a bird’s wing, and mark the places of insertion of the largest quills. (1898)
3. What bones carry the primary and secondary quills of a bird’s wing, and the quills of the tail? Illustrate your answer by a drawing. (1901)
4. Point out the chief differences between the skulls of a quadruped and a bird. (1901)
5. Describe one of the large feathers of a bird’s wing. (1898)
6. Draw general plans of the fore-limbs of a mammal and a bird. Letter the principal bones, so as to show how they correspond in the two animals. (1901)
7. If the skull of a bird were placed before you, what features would enable you to recognise it with certainty? (1901)
8. How does the fact that a bird stands on two legs affect the skeleton of the trunk? (1897)
Fig. 184a.—Comparison of Bat and Bird.