1907.] NATITtAL SCIEXCES OF PHILADELPHIA. 369 



the recognition of Lamarck's type of 1799 as the type of the genus 

 Ccriihium, provided one accepts the international code of rules govern- 

 ing zoological nomenclature.-* The rejection of Clara Martyn would 

 not alter this fact. But, in any case, this system of nomenclature of 

 the Cerithiidoe, laboriously built up by M. Cossmann on an insufficient 

 knowledge of the nomenclatorial histor%^ of the family, must submit 

 to profound modifications before it can be approved by those who 

 accept the international rules. 



-* Regies iniemationales de la nomenclature Zoologique adoptees par les Congres 

 Internationales de zoologie. Paris, Rudeval, 1905, 8°, p. 57. 



