RIGHT PECTORAL GIRDLE AND LIMB OF SciUripterUS tayloH HALL 



Type, Amer. Mus. No. 3341. Internal, or medial, view. Two-tliirds natural 

 size. 



cl, eleithrum ; su.cl, ? supracleithrum ; co.sc, remnant of coracoscapula, ad- 

 hering to eleithrum and possibly represented also by the small patches p, p' 

 (Broom) ; n, notch, possibly for ascending blade of clavicle; S, enlarged scales 

 on metapterygial border ; S', scales on lobate portion of fin ; H, single proximal 

 basal piece, or humerus ; U, mesopterygial axonost, or "ulna" ; R, metaptery- 

 gial axonost, or "radius" ; r, radials ; dr, dermal rays. 



