Ampelid^e.] 



OSTEOLOGIA AVIUM. 

 Measurements. 



[PlPRINiE. 



Tenths. 



Length of humerus 12 



Length of ulna 14J 



Length of metacarpus 6 



Length of femur 10 



Length of tibia 16J 



Length of metatarsus ...... 9 



Length of sternum 1 2 J 



Tenths. 



Breadth of posterior margin of sternum 10 

 Breadth of anterior margin of sternum 6 



Depth of keel 3 



Length of head 23 



Breadth of head 8| 



Length of pelvis 13| 



Breadth of pelvis 9 



FaCHYCEPHALA, Sw. 



Gutturalis, Linn. 



Cranium slightly flattened from the vertex to the nostrils; orbital septum nearly 

 obliterated. Palatine bones with a spine on the outward edge, near their posterior 

 extremities, projecting backwards. 



Sternum very broad ; fissures on the posterior margin very large. 



Pelvis broader than long ; foramina of moderate size ; ulna longer than humerus. 



Metatarsi long, with a keel on their posterior edge. 



Measurements. 



Tenths. 



Length of humerus 8 



Length of ulna 10 



Length of metacarpus 4 J 



Length of femur 7 



Length of tibia 1 2J 



Length of metatarsus 9 



Length of sternum 8 



Tenths. 



Breadth of posterior margin of sternum 7 



Breadth of anterior margin of sternum 5 



Depth of keel 2J 



Length of head 13J 



Breadth of head 6| 



Length of pelvis 7 



Breadth of pelvis 7 J 



Copurus, Strich. 



Filicauda, Spioc. 

 Cranium convex ; palatine bones very short, with a spine projecting backwards on 

 their outer posterior edges ; orbital septum with a moderate-sized foramen. 

 Sternum of moderate size, not so broad as in Packycephala. 



Pelvis very broad ; both obturator and ischiadic foramina very large ; vertebrae dis- 

 tinguishable on the upper surface. In other respects similar to PachycephaXa. 

 Metacarpus long. 

 124 



