individual is taken from the egg capsul 



haw been j iart iculari y observed in young . 

 as noted in a previous paper. 1 In this 

 also umbilicated, and since there is no ar 

 yet, this stage has the characteristics of 

 elsewhere referred to this as the natico 

 conch, and noted its very general oca 



.ich as Straparollina rcmota of the Lower Cambric, which I 

 ave tentatively considered as close to the protogastropod. 

 The protoconch of Fitlgur cariaim generally merges into the 



imbilical margin of the lip, and hence as growth progresses 

 protoconch will have its plane of coiling tilted at an angle 

 lat of the plane of coiling of the succeeding whorls. This 

 \ the protoconch the characteristic oblique appearance found 

 any canaliculate (siphonate) types. This pattern is less 

 ounced in Buccinum and Kasciolaria. In consequence of 



