1912 



AMMONITES SO LIT A RI US 



52c 



Comparable Species 



Am. Solaris, Phillips, 1829, iv, 29. 



Am. costatus nudus, Quenstedt, 1858, XXI, 3, = 



Pleuroceras pseudocostatum, Hyatt, 1867, p. 90. 

 Am. spinatus ; Meneghini, 187-, xiii, 3-5. 

 Amaltheus solitarius, Blake, 1876, vin, 2, = 



Paltopleuroceras apyrenum, S. Buckman, 1911, p. 24d. 

 Am. costatus nudus, Quenstedt, 1885, xlii, 19. 

 Am. cf. costatus ; Id., xlii, 22. 

 Paltopleuroceras pseudocostatum ; Richardson, 1904, xiv, 10. 



See also Nos. 22, 24. 



