F. Harmer for his kindness during- my stay at Cambridge and for afterwards sending some 

 of the desired type specimens for further investigation. 



I must also thank Mr. Joübix, Director of the Mus. d'Hist. Nat. of Paris and Mr. Sacco 

 of the Palaeontological Museum of Torino for supplying me with material for comparison. 



I am greatly indebted to Prof C. Ph. Sluiter for admitting me for my study to a part 

 of his Zoological Laboratory, for which kindness I here express my thanks. 



Lastly I thank Prof Max Weber for trusting me with this collection of Scaphopods to 

 deal with and for the valuable assistance, good advice and great friendship he has rendered 

 me during my work. 



