II.
EXPLANATION OF TERMS USED IN DESCRIBING THE EXTERNAL FORM OF BIRDS.
½ NAT. SIZE.
Turdus migratorius, L.
REFERENCES TO THE FIGURE.
N. B. In the figure the adjacent regions are separated by a double bar, with the letters belonging to each affixed.
- A. The body in general.
- B. The region of the head.
- C. The region of the neck.
- D. The region of the trunk.
- E. The region of the tail.
- F. The region of the wings.
- G. The region of the legs.
- H. The feathers.
Note.—I am under obligations to Professor Sundevall of Stockholm and Dr. Sclater of London for assistance in correcting and improving the present article.—S. F. Baird.