PlCID^E.] 



OSTEOLOGIA AVIUM. 



[Gecinik^e. 



junction of the rami, arched transversely. Scapulse flattened, blunt, and much deflected 

 at their extremities. 



Ribs projecting far backwards ; sternal ones long. 



Wings short, the radius much flattened. 



Leg-bones of moderate strength ; fibula half as long as the tibia, which has a keel 

 projecting on its internal upper half. Metatarsus with the divisions of the bones com- 

 posing it not traceable ; a slight excavation anteriorly on the inner side, posteriorly 

 flattened. 



Vertebral column with the penultimate and three next vertebras having dorsal spines ; 

 terminal caudal vertebra pointed and somewhat elongated. 



Measurements. 



Tenths. 



Length of humerus 16 



Length of ulna 20 



Length of metacarpus 8 



Length of femur 14 



Length of tibia 17 



Length of metatarsus 12 



Length of sternum 16 



Tenths. 

 Breadth of posterior margin of sternum 11 

 Breadth of anterior margin of sternum 8 



Depth of keel 4 



Length of head 27 



Breadth of head 9 



Length of pelvis 22 



Breadth of pelvis 12 



Illustrations. 

 Coracoid, scapula, furculum, palatine bones, sternum, and pelvis, Plate XI. fig. 2. 



Gecinus, JBoie. 



Dimidiatus, Temm. 



Similar to G. viridis, but with the hinder exterior angles of the palatine bones pro- 

 duced into a blunt spine, and the keel of the sternum not so deep. 



Measurements. 

 Tenths. 



Length of humerus 14 



Length of ulna 16 



Length of metacarpus 8 



Length of femur 12 



Length of tibia 18 



Length of metatarsus 10 



Length of sternum ....... 1 3 



Tenths. 



Breadth of posterior margin of sternum 8 

 Breadth of anterior margin of sternum 7 



Depth of keel 3 



Length of head 26 



Breadth of head 9 



Length of pelvis 17 



Breadth of pelvis 10 



Illustration. 

 Skeleton, Plate I. D. 



82 



