459 
TURKEY. 
No. 414.] POSITION OF THE SCREAMERS. 
VERTEBRAL 
SCREAMER. SWAN. 
COLUMN. 
Shoulder-girdle. Anserinecharacter | Os furculum 
— pre- U-sha and 
ailing. Os fur- we anser- 
dea Sai ine. the 
ith the arch screamer, dis co- 
very broad trans- coids do not 
versely and come in contact 
antero-posteri- when articulated 
orly flattened ; in situ 
articulation wit 
coracoids and 
scapulz asin the 
geese. Cora- 
coids more an- 
serine than 
galline. 
Sternum. Anserine char- | Agrees withall the 
acters  prevail- typical anserine 
ing ; but the pos- fowls among the 
terior pair of wans, geese, 
Viens viret and some of the 
lower, ducks. 
lateral Fide: 
processes far 
roader. 
Limbs. Humerus onl 
Highly pneumatic. 
Proportions and 
characters of 
pectoral limb, as 
x 
and index digits. 
u 
pneumatic (?) 
Bones of pectoral 
limb long and 
light, as in most 
large anserine 
birds. 
Os furculum 
V-shaped, and 
the elements of 
the shoulder 
girdle all typically 
galline. 
Completely galline 
in characte 
very different 
from the sternum 
of Palamedea. 
Humerus pneu- 
matic; femur 
partially so (?) 
Bones of pectoral 
limb are propor- 
tionately as well 
con- 
siderably shorter 
corresponding 
ones in win 
of Palamedea. 
