PLATE XVIII. 



ODONTOENITHES. 

 Phalanges of Hesperornts regalis Marsh. 



All Figures Natural Size. Page. 



Fig. 1. — First, or proximal, phalanx of outer, or fourth, toe ; from left foot, seen from above,. ._ 100 

 la — Distal end, with outline of proximal end. 

 16 — Inner view. 

 le — Proximal end. 

 lc? — Inferior view. 

 le — Exterior view. 



Fig. 2. — Second phalanx of fourth toe ; left foot, superior view, . 100 



la — Distal end, with outline of proximal end. 



2b — Inner view. 



2c — Proximal end. 



2c? — Inferior view. 



2e — Exterior view. 

 Fig. 3. — Third phalanx of fourth toe ; left foot, superior view, 101 



3a — Distal end, with outline of proximal end. 



3b — Inner view. 



3c — Proximal end. 



3c? — Inferior view. 



8e — Exterior view. 



Fig. 4. — Fourth phalanx of fourth toe ; left foot, superior view, 101 



4a — Distal end, with outline of proximal end. 

 45 — Inner view. 

 4c — Proximal end. 

 4c? — Inferior view. 

 4e — Exterior view. 



Fig. 5. — First phalanx of third toe ; right foot, superior view, 104 



5a — Distal end, with outline of proximal end. 

 5b — Inner view. 

 5c — Proximal end. 

 5c? — Inferior view. 

 6e — Exterior view. 



Fig. 6. — Second phalanx of third toe ; left foot, superior view, 105 



6a — Distal end, with outline of proximal end. 

 6b — Inner view. 

 6c — Proximal end. 

 6c? — Inferior view. 

 6e — Exterior view. 



Fig. 7. — Third phalanx of third toe ; left foot, superior view, 105 



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

 'lb — Inner view. 

 1c — Proximal end. 

 id — Inferior view. 

 le — Exterior view. 



