MuSCICAPID^.] 



OSTEOLOGIA AVIUM. 



[MUSCICAPINJE. 



Sternum longer, and with the fissures deeper and narrower than in Muscicapa ; lower 

 edges of the keel much rounded. 



Furculum with the rami compressed towards one another near their centre. Re- 

 mainder of the skeleton as in Muscicapa. 



Metatarsi nearly as long as the tibise. 



Motaciloides is similar. 



Measurements. 



Tenths. 



Length of humerus 6 



Length of ulna . . 

 Length of metacarpus 

 Length of femur 



H 



3 

 5 



Length of tibia 8 



Length of metatarsus .... 7 

 Length of sternum 7 



Tenths. 



Breadth of posterior margin of sternum 4 



Breadth of anterior margin of sternum 3 



Depth of keel ....... 2J 



Length of head . 7 



Breadth of head ...... 4J 



Length of pelvis 7 



Breadth of pelvis ...... 5 



Platyrhynchus, Desm. 



Cancromus, Temm. 



Cranium very much flattened on the vertex. 



Furculum very slightly arched in front. 



Sternum broad ; posterior margin slightly indented in the centre ; fissures very small ; 

 lower edge of keel very much arched. 



Metatarsi nearly as long as the tibiae. 



Pelvis with the upper side of the ilium very much rounded transversely ; ischiadic 

 and obturator foramina very large. Ischium and pubis placed nearly perpendicularly 

 to the plane of the ilium. 



Vertebral column with the penultimate and two next cervical vertebree with dorsal 

 spines. 



Measurements. 



Tenths. 



Length of humerus ..... 5J 



Length of ulna 7 



Length of metacarpus 3 



Length of femur 5 



Length of tibia 9 



Length of metatarsus 7 



Length of sternum 6 



Tenths. 



Breadth of posterior margin of sternum 4 



Breadth of anterior margin of sternum 3 



Depth of keel ....... 2 



Length of head H 



Breadth of head 5 



Length of pelvis 5 



Breadth of pelvis ...... 4 



Illustration. 

 Skeleton, Plate VIII. F. 



117 



