Alcediotd^b.] 



OSTEOLOGIA AVIUM. 



[Meropim. 



large. Sternum longer in proportion to its width ; anterior edge of the keel excavated, 

 inferior edge slightly arched ; tarsi longer in proportion to the tibia. Pelvis similar. 



Measurements. 



Tenths. 



Length of humerus ...... 12 



Length of ulna 16 



Length of metacarpus 7 



Length of femur ....... 7 



Length of tibia ....... 10 



Length of metatarsus 5 



Length of sternum 13 



Tenths. 

 Breadth of posterior margin of sternum 8 

 Breadth of anterior margin of sternum 6 



Depth of keel 4 



Length of head 22 



Breadth of head 8 



Length of pelvis 11 



Breadth of pelvis 



Illustrations. 



Sternum of Merops bicolor, Plate VIII. 



Palatine bones of Merops bicolor, Plate XII. 



fig. 7; 



Merops, Linn. 



Albicollis, Vieill. 

 Similar in every respect to M. ornatus, except in measurements. 



Measurements. 



Tenths. 



Length of humerus 10 



Length of ulna 12 



Length of metacarpus 5 



Length of femur 6 



Length of tibia 8 



Length of metatarsus 4 



Length of sternum 9 



Tenths. 



Breadth of posterior margin of sternum 7 

 Breadth of anterior margin of sternum 4^- 



Depth of keel 3 



Length of head 17 



Breadth of head 6^ 



Length of pelvis 8| 



Breadth of pelvis 6^ 



Nyctiornts, Sw. 



Athertoni, Jard. & Selb. 

 Some fragments, consisting of a sternum and pelvis, are in the British Museum. 

 They are similar to Merops, but larger. 



Length of humerus 

 Length of ulna . . 

 56 



Measurements. 



Tenths. 



Length of radius 



Length of metacarpus 



Tenths. 



