1912 AMMONITES CROSBEYI 6oc 



Comparable Species 



Am. pttteolus, Simpson, 1855, p. 58. 

 Am. acanthoides, Reynes, 1868, i[bis], 3. 

 Am. oppeli, Id., 11, 2, = 



Am. alberti. Id., p. 93. 

 Am. crassus ; Dumortier, 1874, (IV), xxvii, 8, 9. 

 Stephanoceras crassum ; Blake, 1876, viii, 5. 



S. raqiiiniamim ; Wright, 1884, Lxxxvi, 5-7, [the young stage of 

 Am. crosbeyi ?] ; lxxxvii, i, 2, [ = Am. pttteolus, Simpson ?] 



And see No. 59. 



