Ampelidje.] 



OSTEOLOGIA AVIUM. 



[Ampelin^e. 



their centres, and having a triangular spine projecting inwards at their anterior 

 extremities ; space between the orbits much broader. 



Sternum much narrower in proportion to its width. 



Pelvis similar. 



Measurements. 



Tenths. 



Length of humerus 9 



Length of ulna 10 J 



Length of metacarpus 4 



Length of femur 7 J 



Length of tibia ....... 10 



Length of metatarsus 6 



Length of sternum 10 



Tenths. 



Breadth of posterior margin of sternum 6 



Breadth of anterior margin of sternum 5 



Depth of keel 3 



Length of head 7 J 



Breadth of head 5 J 



Length of pelvis 10 



Breadth of pelvis 7 J 



Lipangus, Bote. 



Plumbeus, Licht. 

 Similar to the foregoing, but with the ulna rather longer in proportion to the 

 humerus. 



Phibalura, Vieill. 



Flavirostris, Vieill. 



Cranium similar to Ampelis, but with the hinder extremity of the palatine bones very 

 much expanded. 



Sternum very broad in proportion to its width. 



Pelvis narrower in proportion than in Ampelis ; ischiadic and obturator foramina 



very large. 



Measurements. 



Tenths. 



Length of humerus 10 



Length of ulna . 12 



Length of metacarpus .... 8J 



Length of femur ...... 8 J 



Length of tibia 8 



Length of metatarsus 7 



Length of sternum 10 



Tenths. 



Breadth of posterior margin of sternum 8 

 Breadth of anterior margin of sternum 6 J 

 Depth of keel ........ 4 



Length of head 13 



Breadth of head 7 



Length of pelvis ....:. 10 

 Breadth of pelvis 8 



Irena, Horsf. 



Puella, Lath. 

 Cranium long ; interorbital foramen much smaller in proportion than in Ampelis. 

 Palatine bones very much elongated on their lateral posterior margin. 

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