CONCHOLOGY. 



the latter species found on our own shores in which those lineations 

 are smaller and more numerous than in the New Holland shell. In 

 our Venus Striatulus the shells are usually marked with three or four 

 broad fuscous bands diverging from the beaks to the margin ; there 

 are no such bands on the New Holland shell, but whether this be an 

 accidental circumstance or a permanent distinction must remain un- 

 certain till the examples of the latter species are produced in greater 

 number than they are at present. 



