LECTURE X. 



JL HE Mollusca or soft-bodied animals, are, in 

 the Linnasan arrangement, divided into such as are 

 destitute of a shelly covering, and such as are fur- 

 nished with one. In our present lecture we shall 

 turn our attention to the first of these tribes, or 

 Soft- bodied Animals without any truly shelly or 

 very hard integument, though some of them, as 

 we shall perceive when we arrive at such particu- 

 lar genera, have a kind of coriaceous, and even a 

 crustaceous covering. In giving a view of the 

 Linnaean Mollusca, it is not my intention to pass 

 formally through every genus, but to select as ex- 

 amples such as are either most important or most 

 curious. 



The genus Lima# 9 which stands first on the 

 list, may be considered as important ; since it 

 forms, as it were, the type or pattern of most of 



