Laniid^e.] 



OSTEOLOGIA AVIUM. 



[Laniin^e, 



Measurements. 



Tenths. 



Length of humerus 8J 



Length of ulna 9± 



Length of metacarpus 4 



Length of femur 



Length of tibia 12 



Length of metatarsus 10 



Length of sternum 8 



Tenths. 



Breadth of posterior margin of sternum 6 



Breadth of anterior margin of sternum 4 J 



Depth of keel If 



Length of head 15 



Breadth of head ...... 7 



Length of pelvis 10 



Breadth of pelvis 8 



Illustrations. 



Sternum, pelvis, and tarsi, Plate XY1II. fig. 2 



Pycnonotus, Kuhl. 



Ashanteus, Stric. 



Cranium very convex ; orbital septum with a moderate-sized foramen ; humerus as 

 long as ulna. 



Remainder of the skeleton similar to Lanius. 



Measurements. 



Tenths. 



Length of humerus 10 



Length of ulna 10 



Length of metacarpus .... 4 J 



Length of femur 9 



Length of tibia 12 



Length of metatarsus 9 



Length of sternum . . ... . 10 



Tenths. 



Breadth of posterior margin of sternum 6 J 



Breadth of anterior margin of sternum 5 



Depth of keel 3 



Length of head ...... 15 



Breadth of head ...... 6 



Length of pelvis ...... 11 



Breadth of pelvis 7 



Criniger, Temm. 



Nivosus, Temm. 

 Similar to Lanius, but with the ulna rather longer in proportion to the humerus. 



Thamnophilus, Vieill. 



Undulatus, Mih. 

 Cranium similar to Lanius, but with orbital septum nearly obliterated ; indentation 

 for the massiter muscle very deep ; vertex convex. 



Pelvis much narrower, especially anteriorly, than in Lanius, and much longer in pro- 

 portion to its greatest width; the two sides of the ischium not united, so that the 



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