64> PLANARIA FELINA. 



dy of the parent, if such modes of propaga- 

 tion belong to planariae. 



Unequivocal symptoms demonstrated, 

 that the inclinations of the superfluous 

 head were not always in unison with those 

 of the remainder of the animal ; that it pre- 

 ferred quiescence, when they chose motion; 

 and that it would willingly have traversed 

 its element, could its strength have predo- 

 minated over the inactivity of the major 

 parts. 



In subjecting this planaria to the micro- 

 scope, the preceding phenomena were still 

 more clearly illustrated. Numerous black 

 specks, the supposed eyes, or spiracula, ap- 

 peared surrounding the larger head ; some 

 were disseminated over the upper surface ; 

 and they environed the margin of the small- 

 er head also. 



In the course of a week, or little more, 

 after the planaria had been taken, which 

 was in the heat of summer, the posterior 

 head had separated by spontaneous division 

 from the principal body, and had disappear- 



i 



