46 BULLETIN 73, UNITED STATES NATIONAL MUSEUM. 



tip, which is again somewhat expanded; bent upward, but not sufficiently to be 

 parallel with anterior margin of blade-. Coracoid rather thick, irregular, strongly 

 expanded at tip. 



(Charleston (female, jr.). — Rather too much abraded for comparisons, but pos- 

 terior margin more concave than in either of the other skeletons. 



FORE LIMB. 



Barnegat City (female). — Fore limb much shorter than in the Newport skeleton. 

 Humerus: Head quite oblique, the lower edge overhanging the shaft considerably 

 on the ulnar side. Tuberosity level with upper surface of head, elliptical in outline 

 when viewed from above. Deltoid ridge moderately prominent, irregular, rugose, 

 and extending to about the middle of the shaft. Distal end of humerus not ex- 

 panded. Bicipital groove inconspicuous. 



Radius: Almost perfectly straight, but a little inclined toward ulna at oblique 

 proximal end; scarcely expanded at distal end, which is lower externally than 

 internally . 



Ulna: Much slenderer than radius, rounded triangular in section, not expanded 

 at distal end, where the margin is lowest externally. Olecranon well developed, 

 thin, and pointed proximally. 



Carpals: Five ; two on ulna side, two median and one on radial side in line with 

 first metacarpal. The proximal middle bone (intermedium) extends much farther 

 proximally than those on each side of it. 



Metacarpals: Metacarpal III longest, metacarpal II broadest. Metacarpal I 

 oblong, or rather conical, with a lateral enlargement, and situated in line -with the 

 distal row of carpals. 



Digits: First phalange of first digit short and conical. 



Newjjort (male). — Fore limb considerably longer and more massive than that 

 of the Barnegat skeleton but similar otherwise, except as follows: 



Humerus: Head rather larger and less inclined. Deltoid ridge more prominent. 



Radius: Broader proximally and rounded at distal end, where it extends out- 

 ward beyond the carpal bones. 



Ulna : Thicker, and olecranon less pointed. 



Carpal bones: Middle carpal bone not extending farther proximally than those 

 on either side of it. 



Metacarpals: Metacarpal I nearly square, third longest, second to fourth more 

 constricted. 



Digits: First phalange of first digit long and cylindrical. Phalangeal formula: 

 I, 1; 11,6; III, G; IV, 4; V, 2. 



Measurements of the skeletoiis above described are as follows: 



