Volume 60 



Makowoki, Henryk 



1962 Recherches sur le dimorphisrae sexuel 

 ehez las Ammonoide's. 



1962 Problem of sexual dimorphism In 



ammonites. 



Maldonado-Koerdell, Manuel 



1950 Otro ejemplar de Sfrlonotropis vool^arl 

 (Montell)? var. roexicana Bose y fosiles 

 asoclados del estado de Coohuila, Mexico* 3 



MarshoU, Patrick 



1924 Two fossil cephalopoda from North 



Canterbury. 4 



1926 The Upper Cretaceous ammonites of 



New Zealand. 5 



1927 A Kaipara ammonite. 6 



Marwick, John 



1950 The type of the ammonite, Madrasites 

 mckayi (Hector). 



