ag. 
sag. 
d. 
Fig. 5. 
prf. 
(Figs. 1-4 magnified two diameters.) 
Fig. 1. 
OF GALLINACEOUS BIRDS AND TINAMOUS. 239 
. Squamosal. 
. Parietal. 
. Frontal. 
Upper view of skull. 
. Postfrontal. 
. Lachrymal. 
Side view of skull. 
. Alisphenoid. 
. Presphenoid. 
. Perpendicular ethmoid. 
. Olfactory groove. 
. Optic foramen. 
Angular. 
Surangular. 
Dentary. 
Front view of nasal region. 
Upper prefrontal. 
Hemipodius varius. 
Basal view of skull. 
Fig. 2. End view of skull. 
Fig. 3. 
Fig. 4. 
Fig. 5. 
Upper view of skull. 
Side view of skull. 
Skeleton, side view: nat. size. 
. Maxillary region. 
. Mandible. 
. Cranium. 
io.s. Interorbital space. 
. Cervical vertebre. 
. Dorsal vertebre. 
. Sacral vertebre. 
. Caudal vertebre. 
. Scapula. 
. Coracoid. 
. Furculum. 
. Humerus. 
. Radius. 
. Ulna. 
VOL. V.— PART III. 
aet. Ali-ethmoid lamina. 
t. Turbinal mass. 
Fig. 6. Posterior view of nasal region. 
r.bs. Section of rostrum of basisphenoid. 
End view of skulls. 
Fig. 7. Chameopelia passerina. 
sob. Superorbital ridge. 
Fig. 8. Tinamus robustus. 
sob. Superorbital ridge. 
Figs. 1, 2,3, 4, & 7 are magnified three 
diameters ; figs. 5 & 6, six diameters; and 
fig. 8, two diameters. 
N.B. The letters correspond in all the 
plates; when any additional letter occurs, 
it is explained. 
PLATE XXXV. 
cp. Carpus. 
mc. Metacarpus. 
dg. Digits. 
hs. Hyosternal process. 
es. Entosternal process. 
hys. Hyposternal process. 
as. Xiphisternal process. 
f. Os femoris. 
tb. Tibia. 
fb. Fibula. 
ims. Tarso-metatarsus. 
3,4,5. 3rd, 4th, and 5th digits. 
il. Ilium. 
is. Ischium. 
pb. Pubis. 
Fig. 6. Sternum, lower view: nat. size. 
es. Episternal process. 
Fig. 7. Humerus, back view: nat. size. 
ax. Axillary cavity. 
Fig. 8. sc. Sacrum. 
ac. Acetabulum. 
