222 



MEMOIRS OF THE CARNEGIE MUSEUM 



Plate XXVI. Fig. 24. Anconal aspect of the right carpo-metacarpus of Fregata aquila (Spec- 

 imen No. 18,485, Coll. U. S. Nat. Museum). Adult. Reduced ; the actual ex- 

 treme length of the bone being 13.2 em. 



Fig. 25. Left lateral view of the skull of Phalacrocorax melanolevciis. Man- 

 dible removed. Natural size. Same skull as shown in Plate IV., Fig. 20. 



Fig. 26. Anconal aspect of the proximal phalanx of the medius digit of the 

 manus of the right pectoral limb of Fregata aquila. Slightly reduced. From 

 the same skeleton that the bone shown in Fig. 24 was obtained, with which 

 it was distally articulated. 



Fig. 27. Basal aspect of the skull of Phalacrocorax diloplms. Natural size. 

 Same skull as the one shown in Fig. 17, Plate IV. 



Fig. 28. Basal aspect of the skull of Phalacrocorax i^- rohiistus. Natural size. 

 Same skull as the one shown in Fig. 13, Plate IV. 



Fig. 29. Basal aspect of the skull of Phalacrocorax alhiventris. Natural size. 

 Same skull as the one shown in Fig. 21, Plate IV. Note how much shorter 

 the pterygoid bones are in this species as compared with the corresponding 

 elements in the skulls shown in Figs. 27 and 28. 



Fig. 30. Dorsal aspect of the sternum and os fiircula of Phalacrocorax alhi- 

 ventris (No. 18,437, Coll. U. S. Nat. Museum). Reduced about one fifth. 

 (See Fig. 21, Plate IV. Both from the same bird.) 



Plate XXVII. {Pelecanus sharpei and Pelecanus fuscus. Adults. All less than half natural 

 size. P. shctrpei is No. 18,736 of the Collection in the U. S. Nat. Museum, 

 and P. fuscus (author's collection) was shot by me on Indian Cay, Bahama 

 Banks, in 1864.) 



Fig. 31. Anconal aspect, right ulna, Pelecanus sharpei. 



Fig. 32. Anterior aspect, left femur, P. sharpei. Same specimen as Fig. 



31 and the others on the Plate. 

 Fig. 33. Anterior aspect of the left tibio-tarsus, P. sharpei. 

 Fig. 34. Palmar aspect of left humerus, P. sharpei. 

 Fig. 35. Basal view of the skull of P. fuscus ; mandible removed. 

 Fig. 36. Basal view of the skull of P. sharpei ; mandible removed. 

 Fig. 37. Left lateral view of the skull of P. sharpei ; mandible removed. 

 Fig. 38. Anterior aspect of the right coracoid ; P. sharpei. 

 Fig. 39. Anconal aspect of the left carpo-metacarpus, P. sharpei. 

 Fig. 40. Superior view of the skull of P. fuscus ; mandible removed ; 



same specimen as Fig. 35, and the mandible shown in Fig. 41. 

 Fig. 41. Superior view of the mandible of P. fuscus. (See Fig. 40.) 

 The three bits of wax supporting this bone show beneath the articular 

 cups and the symphysis. 



