( 17fi ) 



EXl'LANATluN (tF I'LATK XIV. 



Fig. 1. I'liiil'irroconi.r l>i(rri»i. Nut. si /.o. 

 ), ^. „ „ Nat. size. Front vit'W ul' sliTuiiui unJ left ul' 



coracoids. 

 „ o. ,, ,, Nat. size. Skeleton of tlie wing. 



XIX., XX. = first and second cervieo-dorsal ribs. 

 XXI., XXV. = ribs of the ~'lst to t^oth vertebrae. 

 1, ~', ;{, 4 = sternal ])ortious of the true, con]{ilete thoracic ribs. 



o = sternal ])ortion of rii), late fifth tlioracic, no longer enMiu'cted willi 



tlie sternnin. 

 I) = sternal jMirtion of the rib of the "Jlith vertebra ; the dorsal |Hjrtion of 

 this rib is ijnite short, and fused on to the ilium. 

 Flo. 5. Fliiilacrocora-r carius. Heiluced. Front view of sternum with coracoids. 

 „ 4. „ ,, ivednced. l-.j, sterual portions of coiujilete thoracic 



ribs. 



EXPLANATION OF PLATE XV. 



DIAGRAJI UK THK THREE PRINCIPAL t^EtiME^■T.S ()F THE WINti-SKELETUX.; 

 NATURAL SIZE, AND EXPRESSED IN MILLIMETRES. 



h, u, m = humerus, ulna, and luanus of F/t. Iiarrixi. 

 H,L',.y= „ „ ,, „ carboido*. 



11, I , M = ,, „ „ average length of five large and small 



sj)ecies of noniiid cormorants. 



DIAGRAM UF THE THREE PRINCIPAL SEGMENTS (IF THE HINDLIMB ; 

 NATURAL SIZE, AND EXPRESSED IN MILLIMETRES. 



/, /, i> = femur, tibia, and pes of Pit. Itanisi. 



1'' 1' I'' = „ ,, ,, carbouli's. 



I' I 1' = „ ,, „ average length of five large and small s])ecies 



of normal cormnrants. 



