Mus Bur/anus and Tubuhna Magnifica. 229 



Tab. IX. Fig. i. Ihews the back of the Tubularlu magnifica, when 

 expanded, of its natural fize. 



2. The front. 



3. The animal expanding from the tube. 



4. The iame retreating when difturbed. 



5. Entirely withdrawn into the tube. 



6. Suppofed young ones of the fame fpecies. 



XXI r. Ac 



