\ 



however, it is not the object of our work to part^ictilarl-z^*; 

 we shall therefore conclude, by enumerating the exam- 

 ples we have given in our plate * 



Fig. 1. T'erebratula sanguinea? Dillwyrty but certainly not T, sanguinea of 

 Leach. 



2, • caput sei'pentis^ Lam. 



3. " dorsata ? Lam. showing the internal appendages. 



4. rosea, Mawe, Also showing the internal appendage and 



the muscular impressions in one valve. 



5, psittacea. Showing the internal appendage and the nms- 



cular iropressions of both valves. Anotlier^pccinicn closed shows the outside. 



4 



