4> 



IMMUNITY IN HEALTH 



Fig. 15. 



CtXAL Apex with Small Lumkn. 



IMiascoloinys Wombat (after Hiinting^ioii). 



/. Jleiim. 



<'. Caecum. 

 A. Appendix 



Fig. 16. 



('.TiCAL Apia with Small LuiMkn. 



Lemur Macaco, the Lemur (after Iluntiu.utou). 



