1912 



A MMONITES INTEGRICOSTA TUS 



47c 



Comparable Species 



Am. siphuncularis, Simpson, 1843, p. 46. 



Am. circumdatiis ; Reynes, 1879, xxviii, 19-22. 



Am. sirins, Id., l, 26-32. 



See also \os. 45, 46, 48. 



