PLATE XIX. 



ODONTORKETHES. 

 Phalanges and first metatarsal of Hesperornis regalis Marsh. 



All Figures Natural Size. Page. 



Fig. 1. — First phalanx of second toe ; from left foot, superior view,- 106 



la — Distal end, with outline of proximal end. 

 I b — Inner view, 

 le — Proximal end. 

 Id — Inferior view, 

 le — Exterior view. 



Fig. 2. — Second phalanx of second toe ; left foot, superior view, 107 



2a — Distal end, with outline of proximal end. 

 2b — Inner view. 

 2c — Proximal end. 

 2d — Inferior view. 

 2e — Exterior view. 



p IG> 3. — Third, or ungual, phalanx of second toe ; left foot, superior view, 107 



3a — Inner view. 

 35 — Proximal end. 

 3c — Inferior view. 



Fig. 4. — First left metatarsal ; exterior view, 108 



4a — Distal end. 

 4b ■ — Superior view. 

 4c — Inner view. 



Fig. 5. — First phalanx of first toe ; left foot, superior view, proximal end wanting, 108 



5a — Distal end 

 5b — Inner view. 

 be — Inferior view. 

 5d — Exterior view. 



Fig. 6. — Second, or ungual, phalanx of first toe ; left foot, superior view, 108 



6a — Inner view. 

 66 — Proximal end. 

 6c — Inferior view. 

 6d — Exterior view. 



