OF THE SOUTHERN APTERYX. 301 
PLATE LIT. 
Skulls of Apteryx Australis and Numenius arcuatus. 
Fig. 1. Upper surface of the skull of the Apteryx Australis, male. 
. Under surface of the same. 
. Upper surface of the skull of the Ibis, (Numenius arcuatus.) 
- Under surface of the same. 
- Posterior surface of the skull of the Apteryz. 
. Upper surface of the lower jaw of the male Apteryz. 
. Under surface of the same. 
. Os hyoides. 
BNA A WH dD KK 
PLATE LIV. 
Skeleton of the male Apteryx, one half the natural size. 
PLATE LY. 
Fig. 1. Under surface of the bony compages of the thoracic, abdominal, and pelvic 
cavities, with the sternum and sternal ribs removed. 
2. Under or external surface of the sternum. 
a. The perforations. 
b. The posterior fissures. 
c. The broad anterior emargination. 
d. The articular notch for the coracoid. 
e. The coracoid. 
f. The rudiment of an acromial clavicle. 
g. The scapula. 
h, h. The sternal ribs. 
3. The upper or internal surface of the sternum. 
h. The articular cavities for the sternal ribs. 
4. Posterior or internal surface of the anchylosed scapula and coracoid. 
