1918 



AMMONITES VERTUMNUS 



116c 



F. 65, 

 T. 60, 



S. 50, 

 F. 47, 



F- 39, 

 T. 39, 



F. 38, 

 T. 38, 



F. 32.5, 



F. 58, 



F. 40, 



F. 28, 



4/). 4^, 

 4i, 35, 



S. 41, 41, 



-M 



35, 38, 

 4i, 38(44). 



43, 

 40, 



38, 

 40, 



39, 



37> 



34, 



36, 



33 

 34 



44 



40 



32 

 49 



Comparable Species 



32 33 40 37 



28, I Am. Marice, d'Orbigny, 1848, clxxix, 5, 6, — 

 25, I Lectotype, S. Buckman, 1913, p. 165. 



^2, — Am. Vertumnus, Bean-Leckenby, 1859, p. 9, 



Paratype  V. damoni, Nikitin sp. 



(Y.T.A., PL CXVIb). 

 40, — Id. Paratype = V. spatiatum, nov. (Y.T.A., 



PI CXVIc). 

 32, — Am. vertumnus; Damon, 1880, 1, ^,-Quenst. 



damoni, Nikitin sp., 1889, p. 35, Syntype 



cit. — Lectotype. 



jo' j Cardioceras Mariae ; Lahusen, 1883, iv, 7. 



31, ) Cardioc. vertumnum ; Id. iv, g = Q. damoni, 

 40, i Nikitin, Syntype cit. 



32, — Quenstedtkeras carinatum ; Sintzow, 1888, 1, 

 4, = Q. damoni, Nik., Syntype cit. 



38, — Quenstedtic. Mariae) Weissermel, 1895, x, 1 ; 

 and see figs. 2, 3. 



34, — Quenstedtic. Marice ; R. Douville, 1912, xi(v), 2. 



38, — Id., fig. 10 ; and see figs. 2, 12. 



