OF GALLINACEOUS BIRDS AND TINAMOUS. 



239 



sq. Squamosal. 



p. Parietal. 



/. Frontal. 



Fig. 3. Upper view of skull. 



po. Postfrontal. 



I. Lachrymal. 



Fig. 4. Side view of skull. 



as. Alisphenoid. 



ps. Presphenoid. 



p.e. Perpendicular ethmoid. 



1 . Olfactory groove. 



2. Optic foramen. 

 ag. Angular. 



sag. Surangular. 



d. Dentary. 



Fig. 5. Front view of nasal region. 



prf. Upper prefrontal. 



PLATE 



Hemipodius varius. 

 (Figs. 1-4 magnified two diameters.) 

 Fig. 1. Basal view of skull. 

 Fig. 2. End view of skull. 

 Fig. 3. Upper view of skull. 

 Fig. 4. Side view of skull. 

 Fig. 5. Skeleton, side view : nat. size. 

 m. Maxillary region. 

 mn. Mandible. 

 cr. Cranium. 

 io.s. Interorbital space. 



c. Cervical vertebrae. 



d. Dorsal vertebrae. 

 sc. Sacral vertebrae. 

 cd. Caudal vertebrae. 

 sea. Scapula. 



cr. Coracoid. 

 fr. Furculum. 

 h. Humerus. 

 r. Radius. 

 M. Ulna. 



VOL. V. PART III. 



aet. Ali-ethmoid lamina. 



t. Turbiual mass. 

 Fig. 6. 



r.hs. Section of rostrum of basisphenoid. 



Posterior view of nasal region. 



End view of skulls. 

 Fig. 7. Chamceopelia 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. 



XXXV. 



cp. Carpus. 



mc. Metacarpus. 



dg. Digits. 



hs. Hyosternal process. 



es. Entosternal process. 



hys. Hyposternal process. 



xs. Xiphisternal process. 



/. Os femoris. 



tb. Tibia. 



fb. Fibula. 



tms. 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. 



2i 



